DE19848298B4 - High temperature stable large diameter semiconductor substrate wafer and method of making same - Google Patents
High temperature stable large diameter semiconductor substrate wafer and method of making same Download PDFInfo
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- DE19848298B4 DE19848298B4 DE19848298A DE19848298A DE19848298B4 DE 19848298 B4 DE19848298 B4 DE 19848298B4 DE 19848298 A DE19848298 A DE 19848298A DE 19848298 A DE19848298 A DE 19848298A DE 19848298 B4 DE19848298 B4 DE 19848298B4
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02441—Group 14 semiconducting materials
- H01L21/0245—Silicon, silicon germanium, germanium
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
- H01L21/02524—Group 14 semiconducting materials
- H01L21/02532—Silicon, silicon germanium, germanium
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/0257—Doping during depositing
- H01L21/02573—Conductivity type
- H01L21/02579—P-type
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02656—Special treatments
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/0217—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02269—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by thermal evaporation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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Abstract
Hochtemperaturstabile einkristalline Halbleitersubstratscheibe mit einem Durchmesser ≥ 200 mm, bestehend aus konventionellem Bulkmaterial und mindestens einer der bei der Herstellung von Halbleiterbauelementen im Hochtemperaturprozeß sich ausbildenden mechanischen Kräften am Bulkmaterial entgegenwirkenden einkristallinen und/oder amorphen Anti-Streß-Schicht, wobei diese Schicht entsprechend den aus Bulkmaterialmasse und dem horizontalen Auflageschema in Batch- oder Einscheibenprozessen resultierenden gravitationsinduzierten Druck-, Biege- und Reibkräften dimensioniert und außerhalb des eigentlichen, die Halbleiterbauelemente tragenden aktiven Halbleitermaterialbereiches angeordnet ist, dadurch gekennzeichnet, daß mindestens eine aus einem Gemisch von Silizium und Germanium bestehende Anti-Streß-Schicht pseudomorph auf das Bulkmaterial epitaktisch aufgewachsen ist und daß durch einen abschließenden, zur Aufnahme der herzustellenden Halbleiterbauelemente vorgesehenen Bereich die Silizium-Germanium-Schicht (3) mit dem obengenannten Material eingesiegelt ist.High Temperature Stable single crystal semiconductor substrate wafer with a diameter ≥ 200 mm, consisting from conventional bulk material and at least one of the at Production of semiconductor devices in the high-temperature process form mechanical forces on the bulk material counteracting monocrystalline and / or amorphous Anti-stress layer, this layer being made of the bulk material mass and the horizontal overlay scheme resulting in batch or single-slice processes gravitation-induced pressure, bending and frictional forces dimensioned and outside the actual, the semiconductor devices supporting active semiconductor material area is arranged, characterized in that at least one of a mixture of silicon and germanium anti-stress layer pseudomorphic to the Bulk material has grown epitaxially and that by a final, provided for receiving the semiconductor devices to be produced Area the silicon germanium layer (3) with the above Material is sealed.
Description
Die Erfindung betrifft eine hochtemperaturstabile Halbleitersubstratscheibe großen Durchmessers gemäß Oberbegriff des Patentanspruchs 1 zur Herstellung von monolithischen elektronischen Bauelementen in Batch- oder Einscheibenprozessen wie Tempern, Diffusion, Oxidation und chemische Dampfphasenabscheidung (CVD) und ein Verfahren zur Herstellung derartiger Halbleitersubstratscheiben.The The invention relates to a high temperature stable semiconductor substrate wafer huge Diameter according to the generic term of claim 1 for the production of monolithic electronic Components in batch or single-disk processes such as annealing, diffusion, Oxidation and Chemical Vapor Deposition (CVD) and a Process for Production of such semiconductor substrate discs.
Einkristalline Siliziumwafer sind vorzugsweise das Ausgangsmaterial für die Herstellung integrierter Schaltkreise. Mit der Entwicklung neuer Fertigungstechnologien und neuer Schaltkreise geht aus ökonomischen Gründen der Übergang zu immer größeren Waferdurchmessern einher. Dies erfolgt aus Gründen einer höheren Effektivität der Bearbeitungsprozesse und zunehmender Integrationsgrade der Schaltkreise. Dabei strebt die Industrie neben einer maximalen Schaltkreisausbeute auch ein optimales Verhältnis zwischen dem Durchmesser und der Dicke der Wafer an. So hat eine geringfügige Änderung der Dicke eines großflächigen Wafers als Mittel zur Erhöhung seiner mechanischen Stabilität einen wesentlichen Einfluß auf die Anzahl der Wafer, die aus dem Einkristall gewonnen werden können, und damit auf die Kosten. So bewirkt allein der Materialeinsatz pro 25 Wafer beim Übergang von 200 mm Durchmesser und 0,725 mm Dicke auf 300 mm Durchmesser und 0,775 mm Dicke einen Kostenanstieg um mehr als das Vierfache. Deshalb muß sich die Handhabung solcher Wafer in Apparaturen und während technologischer Prozesse von der bisher üblichen erheblich unterscheiden.monocrystalline Silicon wafers are preferably the starting material for the production integrated circuits. With the development of new manufacturing technologies and new circuits goes from economic establish the transition to ever larger wafer diameters associated. This is done for reasons a higher one effectiveness the machining processes and increasing degree of integration of the circuits. The industry is striving for maximum circuit yield also an optimal ratio between the diameter and the thickness of the wafer. So has one slight change in the Thickness of a large-area wafer as a means to increase its mechanical stability a significant influence on the number of wafers that can be recovered from the single crystal, and with it on the costs. So alone causes the use of material per 25 wafers at the transition of 200 mm diameter and 0.725 mm thickness to 300 mm diameter and 0.775 mm thickness, an increase in cost more than four times. Therefore has to be the handling of such wafers in equipment and during technological Processes of the usual differ significantly.
Der Stand der Technik ist dadurch gekennzeichnet, daß Siliziumwafer während der Prozessierung in speziellen Magazinen senkrecht stehend angeordnet werden, um unter anderem den deformierenden Einfluß der Gravitationskraft zu verringern. Masse und Empfindlichkeit von Wafern großen Durchmessers erfordern dann wegen der hohen Kosten für entsprechende Prozeßanlagen und für bestimmte Waferprozesse den Übergang zur Einzel-Wafer-Handhabung.Of the The prior art is characterized in that silicon wafers during the Processing in special magazines arranged vertically Among other things, the deforming influence of gravitational force to reduce. Mass and sensitivity of large diameter wafers then require because of the high cost of appropriate process equipment and for certain wafer processes make the transition for single-wafer handling.
Mit
wachsendem Durchmesser von Siliziumwafern, insbesondere bei Durchmessern ≥ 200 mm, geht
man von einer vertikalen Lagerung der Wafer zu einer horizontalen über, und
es kommt zwangsläufig und
zunehmend beim Durchlaufen technologischer Prozesse unter dem Einfluß der Gravitationskraft
zu einer Durchbiegung der Wafer. Das führt z. B. bei Temperprozessen
zur plastischen Deformation und zur Defektbildung in den Wafern,
wodurch sich Ausbeute und Qualität
von Bauelementen und Schaltkreisen verringern. Aber auch Hochtemperaturprozeßparameter,
wie die Oxidationsgeschwindigkeit und das Diffusionsverhalten von
Verunreinigungen können
durch mechanische Spannungen beeinflußt werden. Ursachen dafür sind zum
einen transiente Temperaturinhomogenitäten über der Scheibe während des
Aufheizens auf Prozeßtemperatur
und Abkühlens
von dieser (Ramping) bzw. das Eigengewicht der Scheibe bei horizontaler
Auflage im Batch- oder Einscheibenprozeß. Während durch geeignete Einstellung
der Ramping-Raten, wie beispielsweise in
Aus
Der Erfindung liegt dabei die Aufgabe zugrunde, eine einkristalline Halbleitersubstratscheibe großen Durchmessers bevorzugt aus Silizium zu schaffen, die einerseits den an moderne Halbleiterbauelemente und ihren Herstellungsprozeß gestellten Anforderungen gerecht wird und andererseits die Ausbildung von entsprechend den aus Bulkmaterialmasse und dem horizontalen Auflageschema in Batch- oder Einscheibenprozessen resultierenden gravitationsinduzierten Druck-, Biege- und Reibkräften unterdrückt und damit eine plastische Scheibenverformung unter Wirkung solcher Kräfte bei der Hochtemperaturbearbeitung im Bauelementeprozeß vermeiden hilft.Of the The invention is based on the object, a monocrystalline Semiconductor wafer large Diameter preferably made of silicon, on the one hand the modern semiconductor devices and their manufacturing process Meets requirements and on the other hand the training of accordingly the bulk material mass and the horizontal support scheme in batch or single-disk processes resulting gravitational induced Pressure, bending and friction forces repressed and thus a plastic disk deformation under the effect of such personnel during high temperature processing in the device process helps.
Diese Aufgabe wird durch eine hochtemperaturstabile Halbleitersubstratscheibe, bestehend aus konventionellem Bulk- oder Epitaxiewafermaterial und mehreren jedoch mindestens einer Anti-Streß-Schicht, erfindungsgemäß dadurch gelöst, daß die aus der Wafermasse und dem Supportdesign resultierenden gravitationsinduzierten Spannungen in der Halbleitersubstratscheibe mittels filminduzierter Spannungen kompensiert werden, die durch eine oder mehrere einkristalline vergrabene Silizium-Germanium-Schichten oder eine Substratrückseiten-Siliziumnitridschicht oder beides außerhalb des eigentlichen, die Halbleiterbauelemente tragenden aktiven Halbleitermaterialbereiches in an und für sich bekannter Weise mittels chemischer Gasphasenabscheidung oder Molekularstrahlepitaxie eingebracht und entsprechend den wirkenden Gravitationsspannungen dimensioniert werden.This object is achieved by a high-temperature-stable semiconductor substrate wafer, consisting of conventional bulk or Epitaxiewafermaterial and more, but at least one anti-stress layer, according to the invention that the resulting from the wafer mass and the support design gravitational induced voltages in the semiconductor substrate wafer are compensated by means of film-induced voltages, by one or more single-crystal buried silicon-germanium layers or a substrate backside silicon nitride layer or both outside the eigentli chen, the semiconductor devices carrying active semiconductor material region are introduced in a conventional manner by means of chemical vapor deposition or molecular beam epitaxy and dimensioned according to the acting gravitational voltages.
Gleichzeitig unterstützt die dem bauelementeaktiven Bereich nahe gelegene Silizium-Germanium-Schicht und/oder die Substratrückseiten-Siliziumnitridschicht das Gettern von Schwermetallen aus diesem Bereich und dient damit zusätzlich der Verbesserung der Qualitätsparameter der hochtemperaturstabilen Halbleitersubstratscheibe. Schließlich bildet die harte Siliziumnitridschicht einen wirksamen Schutz gegen die lokale Versetzungsentstehung infolge des prozeßbedingten Zerkratzens der Substratscheibe im Bereich der Scheibenauflagepunkte.simultaneously supports the silicon-germanium layer proximate to the device-active region and / or the substrate backside silicon nitride layer the gettering of heavy metals from this area and serves with it additionally the improvement of quality parameters the high temperature stable semiconductor substrate wafer. Finally forms the hard silicon nitride layer provides effective protection against the local dislocation due to the process-related scratching of the Substrate disk in the area of the disk support points.
Die Merkmale der Erfindung gehen außer aus den Ansprüchen auch aus der Beschreibung und den Zeichnungen hervor, wobei die einzelnen Merkmale jeweils für sich allein oder zu mehreren in Form von Unterkombinationen schutzfähige Ausführungen darstellen, für die hier Schutz beansprucht wird. Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im folgenden näher erläutert.The Features of the invention except go out the claims also from the description and the drawings, wherein the individual features each for represent alone or in the form of subcombinations protectable versions, for the protection is claimed here. Embodiments of the invention are shown in the drawings and are explained in more detail below.
Die Zeichnung zeigtThe Drawing shows
Beispiel 1example 1
Auf
eine 300 mm (001)-Halbleitersubstratscheibe I vom Typ p++-Silizium
mit einem spezifischen Widerstand von 7 bis 10 mΩ cm wird nach einer üblicherweise
durchgeführten
naßchemischen Reinigung
eine epitaktische Schichtfolge einschließlich einer pseudomorphen Silizium-Germanium-Schicht
Die
erfindungsgemäß im Scheibenvorderbereich
versiegelt eingebrachte Anti-Streß-Schicht,
bestehend aus einer einkristallinen SiGe-Schicht
In der vorliegenden Erfindung wurde anhand eines konkreten Ausführungsbeispiels eine hochtemperaturstabile Halbleitersubstratscheibe großen Durchmessers und ein Verfahren zu ihrer Herstellung erläutert. Es sei aber vermerkt, daß die vorliegende Erfindung nicht auf die Einzelheiten der Beschreibung in dem Ausführungsbeispiel eingeschränkt ist, da im Rahmen der Patentansprüche Änderungen und Abwandlungen beansprucht werden.In The present invention was based on a concrete embodiment a high temperature stable semiconductor substrate disc of large diameter and a method for their preparation explained. It should be noted, however, that the The present invention is not limited to the details of the description in the embodiment limited is because within the scope of the claims changes and modifications be claimed.
Claims (6)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19848298A DE19848298B4 (en) | 1998-10-12 | 1998-10-12 | High temperature stable large diameter semiconductor substrate wafer and method of making same |
PCT/DE1999/003071 WO2000022205A1 (en) | 1998-10-12 | 1999-09-20 | Large-diameter high temperature stable semiconductor substrate wafer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19848298A DE19848298B4 (en) | 1998-10-12 | 1998-10-12 | High temperature stable large diameter semiconductor substrate wafer and method of making same |
Publications (2)
Publication Number | Publication Date |
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DE19848298A1 DE19848298A1 (en) | 2000-04-13 |
DE19848298B4 true DE19848298B4 (en) | 2008-08-07 |
Family
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Application Number | Title | Priority Date | Filing Date |
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DE19848298A Expired - Fee Related DE19848298B4 (en) | 1998-10-12 | 1998-10-12 | High temperature stable large diameter semiconductor substrate wafer and method of making same |
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Country | Link |
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DE (1) | DE19848298B4 (en) |
WO (1) | WO2000022205A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6770504B2 (en) * | 2003-01-06 | 2004-08-03 | Honeywell International Inc. | Methods and structure for improving wafer bow control |
US7670931B2 (en) | 2007-05-15 | 2010-03-02 | Novellus Systems, Inc. | Methods for fabricating semiconductor structures with backside stress layers |
Citations (14)
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WO1986005922A1 (en) * | 1985-04-01 | 1986-10-09 | Motorola, Inc. | Method for prevention of autodoping of epitaxial layers |
JPS63236308A (en) * | 1987-03-25 | 1988-10-03 | Oki Electric Ind Co Ltd | Method for growing compound semiconductor |
US4830984A (en) * | 1987-08-19 | 1989-05-16 | Texas Instruments Incorporated | Method for heteroepitaxial growth using tensioning layer on rear substrate surface |
EP0367292A2 (en) * | 1988-11-04 | 1990-05-09 | Sharp Kabushiki Kaisha | Compound semiconductor substrate |
WO1990010950A1 (en) * | 1989-03-10 | 1990-09-20 | British Telecommunications Public Limited Company | Preparing substrates |
JPH04209522A (en) * | 1990-12-05 | 1992-07-30 | Fujitsu Ltd | Substrate for epitaxial growth and its manufacture |
JPH04299822A (en) * | 1991-03-28 | 1992-10-23 | Mitsubishi Materials Corp | Semiconductor wafer and manufacture thereof |
DE4331894A1 (en) * | 1992-09-21 | 1994-03-24 | Mitsubishi Electric Corp | Semiconductor substrate with getter effect - comprises substrate having polycrystalline silicon layer and silicon nitride layer |
US5363798A (en) * | 1993-09-29 | 1994-11-15 | The United States Of America As Represented By The Secretary Of The Navy | Large area semiconductor wafers |
JPH07273025A (en) * | 1994-03-28 | 1995-10-20 | Matsushita Electric Works Ltd | Semiconductor substrate |
US5461243A (en) * | 1993-10-29 | 1995-10-24 | International Business Machines Corporation | Substrate for tensilely strained semiconductor |
JPH08236442A (en) * | 1995-02-28 | 1996-09-13 | Mitsubishi Electric Corp | Semiconductor wafer and its manufacture |
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JPH10106948A (en) * | 1996-10-01 | 1998-04-24 | Tera Tec:Kk | Semiconductor device and its manufacture |
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JPS62143432A (en) * | 1985-12-18 | 1987-06-26 | Hitachi Ltd | Manufacture of semiconductor device |
DD285663A5 (en) * | 1988-03-29 | 1990-12-19 | Akademie Der Wissenschaften Der Ddr,Dd | METHOD FOR ASSURING THE DEFORMATION FREEDOM OF SILICONE WELDING MATERIAL IN THE HOT WALL PIPE REACTOR |
JPH02307100A (en) * | 1989-05-23 | 1990-12-20 | Nikon Corp | Production of fresnel zone plate for soft x-ray |
-
1998
- 1998-10-12 DE DE19848298A patent/DE19848298B4/en not_active Expired - Fee Related
-
1999
- 1999-09-20 WO PCT/DE1999/003071 patent/WO2000022205A1/en active Application Filing
Patent Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1986005922A1 (en) * | 1985-04-01 | 1986-10-09 | Motorola, Inc. | Method for prevention of autodoping of epitaxial layers |
JPS63236308A (en) * | 1987-03-25 | 1988-10-03 | Oki Electric Ind Co Ltd | Method for growing compound semiconductor |
US4830984A (en) * | 1987-08-19 | 1989-05-16 | Texas Instruments Incorporated | Method for heteroepitaxial growth using tensioning layer on rear substrate surface |
EP0367292A2 (en) * | 1988-11-04 | 1990-05-09 | Sharp Kabushiki Kaisha | Compound semiconductor substrate |
WO1990010950A1 (en) * | 1989-03-10 | 1990-09-20 | British Telecommunications Public Limited Company | Preparing substrates |
JPH04209522A (en) * | 1990-12-05 | 1992-07-30 | Fujitsu Ltd | Substrate for epitaxial growth and its manufacture |
JPH04299822A (en) * | 1991-03-28 | 1992-10-23 | Mitsubishi Materials Corp | Semiconductor wafer and manufacture thereof |
DE4331894A1 (en) * | 1992-09-21 | 1994-03-24 | Mitsubishi Electric Corp | Semiconductor substrate with getter effect - comprises substrate having polycrystalline silicon layer and silicon nitride layer |
US5363798A (en) * | 1993-09-29 | 1994-11-15 | The United States Of America As Represented By The Secretary Of The Navy | Large area semiconductor wafers |
US5461243A (en) * | 1993-10-29 | 1995-10-24 | International Business Machines Corporation | Substrate for tensilely strained semiconductor |
JPH07273025A (en) * | 1994-03-28 | 1995-10-20 | Matsushita Electric Works Ltd | Semiconductor substrate |
JPH08236442A (en) * | 1995-02-28 | 1996-09-13 | Mitsubishi Electric Corp | Semiconductor wafer and its manufacture |
EP0798765A2 (en) * | 1996-03-28 | 1997-10-01 | Shin-Etsu Handotai Company Limited | Method of manufacturing a semiconductor wafer comprising a dopant evaporation preventive film on one main surface and an epitaxial layer on the other main surface |
JPH10106948A (en) * | 1996-10-01 | 1998-04-24 | Tera Tec:Kk | Semiconductor device and its manufacture |
Non-Patent Citations (12)
Title |
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07273025 A |
08236442 A |
10106948 A |
4-299822 A.,E-1332,March 16,1993,Vol.17,No.125 |
63-236308 A.,E- 709,Jan. 27,1989,Vol.13,No. 38 |
JP Patents Abstracts of Japan: 4-209522 A.,E-1293,Nov. 25,1992,Vol.16,No.554 |
Patents Abstracts of Japan & JP 04209522 A.,E-1293,Nov. 25,1992,Vol.16,No.554 * |
Patents Abstracts of Japan & JP 04299822 A.,E-1332,March 16,1993,Vol.17,No.125 * |
Patents Abstracts of Japan & JP 07273025 A * |
Patents Abstracts of Japan & JP 08236442 A * |
Patents Abstracts of Japan & JP 10106948 A * |
Patents Abstracts of Japan & JP 63236308 A.,E- 709,Jan. 27,1989,Vol.13,No. 38 * |
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WO2000022205A1 (en) | 2000-04-20 |
DE19848298A1 (en) | 2000-04-13 |
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