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Class 257/E27.064 - Combination of complementary transistors having a different structure, e.g. stacked CMOS, high-voltage and low-voltage CMOS (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
No. of patents: 327
Last issue date: 10/21/2008


                9  
NumberTitleIssue Date
4403395Monolithic integration of logic, control and high voltage interface circuitry
Monolithic integration of digital logic circuitry, precision control circuitry, and high voltage interface circuits on the same semiconductor chip is achieved, using various combinations selected from D-MOS, vertical NPN, lateral NPN, PNP, P-MOS, N-MOS, a...
09/13/1983
4330849Complementary semiconductor memory device
Disclosed herein is a semiconductor memory device comprising a semiconductor substrate having a first conductivity type, first and second regions of a second conductivity type opposite to said first type formed in the surface of the semiconductor substrat...
05/18/1982
4325180Process for monolithic integration of logic, control, and high voltage interface circuitry
Monolithic integration of digital logic circuitry, precision control circuitry, and high voltage interface circuits on the same semiconductor chip is achieved, including various combinations selected from D-MOS, vertical NPN, lateral NPN, PNP, P-MOS, N-MO...
04/20/1982
4229756Ultra high speed complementary MOS device
An improved, ultra high speed (2GHz) CMOS inverter structure comprising a double-diffused, planar p-channel transistor and a nonplanar n-channel transistor formed within adjacent surface fields on the same substrate. The n-channel device includes a source...
10/21/1980
4223334High voltage CMOS with local oxidation for self-aligned guard rings and process of fabrication
Complementary MOS devices having spaced guard rings are fabricated by applying an oxide layer to an N substrate with an opening for doping P-type impurities to form a well, applying a nitride layer over a portion of the oxide and of the well portions, dop...
09/16/1980
4119996Complementary DMOS-VMOS integrated circuit structure
A high speed CMOS formed on a single semiconductor substrate includes a DMOS having an asymmetric channel and a VMOS with a relatively short channel length. The short channel length of the VMOS is achieved by: (1) forming a double diffusion along one edge...
10/10/1978
4041518MIS semiconductor device and method of manufacturing the same
A metal-insulator semiconductor (MIS) device is manufactured by initially forming, on a semiconductor substrate, an insulating film having a hole therethrough and depositing silicon on the substrate to form a first monocrystalline silicon film in the hole...
08/09/1977
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