A light-emitting element array can be manufactured without the separation of a metal reflection layer. The light-emitting element array includes a plurality of light-emitting element portions provided on a substrate, at least one space of the spaces between adjacent light-emitting element portions being...http://www.google.co.uk/patents/US7786495?utm_source=gb-gplus-sharePatent US7786495 - Light-emitting element array and image forming apparatus
