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Class Information
Number: 216/95
Name: Etching a substrate: processes > Nongaseous phase etching of substrate > Substrate is multilayered
Description: Process wherein the substrate is plural layered.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
5662818 Method of producing a pyroelectric infrared radiation detector Sep. 2, 1997
5646064 Method of fabricating a segmented monocrystalline chip Jul. 8, 1997
5646095 Selective insulation etching for fabricating superconductor microcircuits Jul. 8, 1997
5641381 Preferentially etched epitaxial liftoff of InP material Jun. 24, 1997
5628920 Organic layer for subsequent coating with a cover layer which is harder than the organic layer and process for surface treatment of an organic layer May. 13, 1997
5620611 Method to improve uniformity and reduce excess undercuts during chemical etching in the manufacture of solder pads Apr. 15, 1997
5620558 Etching of copper-containing devices Apr. 15, 1997
5609773 Method for manufacture of multilayer wiring board and the multilayer wiring board Mar. 11, 1997
5591480 Method for fabricating metallization patterns on an electronic substrate Jan. 7, 1997
5580604 Method of manufacturing a hot-stamped decal Dec. 3, 1996
5540810 IC mechanical planarization process incorporating two slurry compositions for faster material removal times Jul. 30, 1996
5509557 Depositing a conductive metal onto a substrate Apr. 23, 1996
5503286 Electroplated solder terminal Apr. 2, 1996
5492235 Process for single mask C4 solder bump fabrication Feb. 20, 1996
5490602 Composite structure manufacture Feb. 13, 1996
5358604 Method for producing conductive patterns Oct. 25, 1994
5352326 Process for manufacturing metalized ceramic substrates Oct. 4, 1994
5298298 Microscopic tube material Mar. 29, 1994
5135605 Methods for making mirrors Aug. 4, 1992
5084131 Fabrication method for thin film electroluminescent panels Jan. 28, 1992
5059278 Selective chemical removal of coil seed-layer in thin film head magnetic transducer Oct. 22, 1991
5051340 Master for optical element replication Sep. 24, 1991
5032216 Non-photographic method for patterning organic polymer films Jul. 16, 1991
5017267 Composition and method for stripping tin or tin-lead alloy from copper surfaces May. 21, 1991
5013402 Method of manufacturing double-sided wiring substrate May. 7, 1991
4964947 Method of manufacturing double-sided wiring substrate Oct. 23, 1990
4931134 Method of using laser routing to form a rigid/flex circuit board Jun. 5, 1990
4797177 Method of cutting an organic membrane Jan. 10, 1989
4780175 Method for the production of an optical phase-shifting board Oct. 25, 1988
4715928 Flexible printed circuits and methods of fabricating and forming plated thru-holes therein Dec. 29, 1987
4713144 Composition and method for stripping films from printed circuit boards Dec. 15, 1987
4708765 Regulation of the exposure of active surfaces Nov. 24, 1987
4610757 Method of manufacturing a grating Sep. 9, 1986
4556449 Nickel etching process and solution Dec. 3, 1985
4512829 Process for producing printed circuit boards Apr. 23, 1985
4411731 Method of contouring crystal plates Oct. 25, 1983
4389276 Method of manufacturing an electric discharge device comprising a glass substrate having a pattern of electrodes Jun. 21, 1983
4293377 Manufacturing method for circuit board Oct. 6, 1981
4279691 Method of making boron cantilever Jul. 21, 1981
4149929 Stripping of protective coatings from glass fibers Apr. 17, 1979
4023999 Formation of openings in dielectric sheet May. 17, 1977

1 2 3 4

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