Methods of manufacturing microchip devices are provided for controlled release of molecules, such as drugs. Methods include compression molding and casting, alone or in combination with microfabrication techniques. In preferred embodiments, devices are made by (1) filling a die with a polymer powder;...http://www.google.co.uk/patents/US20020107470?utm_source=gb-gplus-sharePatent US20020107470 - Microchip devices for delivery of molecules and methods of fabrication thereof
