Abstract:
A semiconductor device (10), including an amorphous carbon layer (16) for improved adhesion of photoresist layers. Also a method of fabricating said semiconductor device. The device (10) includes a substrate (12) having a surface (15), an amorphous carbon layer (16), formed overlying the surface (15) of the substrate, and a low surface energy material (14) layer overlying the surface of the substrate. The device (10) is formed by providing a substrate (12) having a surface (15), depositing a low surface energy material layer (14) and depositing an amorphous carbon layer (16) overlying the surface of the substrate (12) adjacent the low surface energy material layer (14) using plasma enhanced chemical vapor deposition (PECVD) or sputtering.
Abstract:
A method is provided for making a MEMS structure (69). In accordance with the method, a CMOS substrate (51) is provided which has interconnect metal (53) deposited thereon. A MEMS structure is created on the substrate through the plasma assisted chemical vapor deposition (PACVD) of a material selected from the group consisting of silicon and silicon-germanium alloys. The low deposition temperatures attendant to the use of PACVD allow these materials to be used for MEMS fabrication at the back end of an integrated CMOS process.