Abstract:
This invention disclosed a process for forming durable anti-stiction surfaces on micromachined structures while they are still in wafer form (i.e., before they are separated into discrete devices for assembly into packages). This process involves the vapor deposition of a material to create a low stiction surface. It also discloses chemicals which are effective in imparting an anti-stiction property to the chip. These include polyphenylsiloxanes, silanol terminated phenylsiloxanes and similar materials.
Abstract:
The method involves providing a substrate (53) made of a micro-machinable material, etching a pattern with help of photolithography, where the pattern includes a part through the substrate. The etched substrate is mounted on a support so as to leave top and bottom surfaces of the substrate. A coating of better tribological quality than the micro-machinable material is deposited on an outer surface of the part of the pattern. The part of the pattern is released from the substrate. The micro-machinable material is chosen from among group comprising crystalline silicon, crystalline silica and crystalline alumina.
Abstract:
PROBLEM TO BE SOLVED: To provide a method for creating a bump in reduced process time. SOLUTION: A photoresist layer is formed on a substrate 32. A first region of the substrate is exposed to a radiation source through a photomask. The first region of the exposed photoresist is developed with a developer solution in order to etch the exposed regions to a first depth. A second region is exposed to the radiation source through a second photomask. The second photomask defines areas in which a bump feature is intended on the substrate. The second region is developed with the developer solution, preparing the first and second exposed regions for a metal layer 34. The metal layer is deposited on the substrate, such that a metal can attach to both the substrate and any remaining photoresist on the substrate. The remaining photoresist and the attached metal is dissolved so as to leave an interconnect pattern and at least one bump 36. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a surface processing method which can prevent external or internal interference to a chip device, and a chip device produced by the method. SOLUTION: A surface processing method for a chip device comprises a step (a) of providing a chip body having at least one exposed surface, a step (b) of applying a polymeric monomer solution having a flexible fragment fluorocarbon polymer end and a silane-group polarized end to the at least one surface of the chip body, and a step (c) of curing the polymeric monomer solution under appropriate environment settings to remove all solvents and to polymerize the polymeric monomers for forming a polymeric material layer 20 on the at least one surface. One exposed surface of the polymeric material layer 20 thus has the properties of the flexible fragment fluorocarbon polymer, thereby protecting the chip body from any external or internal interference. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a method for easily manufacturing a high quality micro-mechanical part applicable to almost all mechanical clock parts in the clock manufacturing field. SOLUTION: The invention relates to a method of manufacturing (1) the mechanical part (51) including the following steps: (a) providing (3) a substrate (53) made of micro-machinable material; and (b) etching (5), with help of photolithography, a pattern (50) that includes the mechanical part (51) through the entire substrate. The method further includes the following steps: (c) mounting (7) the etched substrate on a support (55') so as to leave the top and bottom surfaces of the substrate accessible; (d) depositing (9, C') a coating of better tribological quality than the micro-machinable material on the outer surface of the part; and (e) releasing (11) the part from the substrate. COPYRIGHT: (C)2010,JPO&INPIT