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Class Information
Number: 438/980
Name: Semiconductor device manufacturing: process > Utilizing process equivalents or options
Description: Art collection involving the substitution of an operation that will perform the same or similar function of the operation it replaces.










Patents under this class:
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Patent Number Title Of Patent Date Issued
4612085 Photochemical patterning Sep. 16, 1986
4596604 Method of manufacturing a multilayer semiconductor device Jun. 24, 1986
4571817 Method of making closely spaced contacts to PN-junction using stacked polysilicon layers, differential etching and ion implantations Feb. 25, 1986
4560421 Semiconductor device and method of manufacturing the same Dec. 24, 1985
4544797 Method for preventing short-circuits or shunts in a large area thin film solar cell and cell obtained thereby Oct. 1, 1985
4528744 Method of manufacturing a semiconductor device Jul. 16, 1985
4497685 Small area high value resistor with greatly reduced parasitic capacitance Feb. 5, 1985
4477965 Process for manufacturing a monolithic integrated solid-state circuit comprising at least one bipolar planar transistor Oct. 23, 1984
4446373 Process and apparatus for converged fine line electron beam treatment objects May. 1, 1984
4404731 Method of forming a thin film transistor Sep. 20, 1983
4403394 Formation of bit lines for ram device Sep. 13, 1983
4332075 Method of producing thin film transistor array Jun. 1, 1982
4328610 Method of reducing alpha-particle induced errors in an integrated circuit May. 11, 1982
4287485 GaInAsP/InP Double-heterostructure lasers Sep. 1, 1981
4235651 Fabrication of GaAs-GaAlAs solar cells Nov. 25, 1980
4182023 Process for minimum overlap silicon gate devices Jan. 8, 1980
4163987 GaAs-GaAlAs solar cells Aug. 7, 1979
4108715 Method for machining surfaces of semiconductor substrates Aug. 22, 1978
3984263 Method of producing defectless epitaxial layer of gallium Oct. 5, 1976
3982316 Multilayer insulation integrated circuit structure Sep. 28, 1976
3971057 Lateral photodetector of improved sensitivity Jul. 20, 1976
3962779 Method for fabricating oxide isolated integrated circuits Jun. 15, 1976
3930857 Resist process Jan. 6, 1976

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