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Class Information
Number: 257/E21.544
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components formed in or on common substrate or of parts thereof; manufacture of integrated circuit devices or of parts thereof (epo) > Manufacture of specific parts of devices (epo) > Making of isolation regions between components (epo) > Pn junction isolation (epo)
Description: This subclass is indented under subclass E21.54. This subclass is substantially the same in scope as ECLA classification H01L21/761.

Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
6995431 System and method to reduce noise in a substrate Feb. 7, 2006
6992362 Semiconductor with high-voltage components and low-voltage components on a shared die Jan. 31, 2006
6984868 Semiconductor device having a structure for isolating elements Jan. 10, 2006
6960797 Semiconductor device Nov. 1, 2005
6936897 Intermediate structure having a silicon barrier layer encapsulating a semiconductor substrate Aug. 30, 2005
6933203 Methods for improving well to well isolation Aug. 23, 2005
6930930 Using isolated p-well transistor arrangements to avoid leakage caused by word line/bit line shorts Aug. 16, 2005
6927452 Semiconductor device having dual isolation structure and method of fabricating the same Aug. 9, 2005
6924187 Method of making a semiconductor device with dummy diffused layers Aug. 2, 2005
6917076 Semiconductor device, a method of manufacturing the semiconductor device and a method of deleting information from the semiconductor device Jul. 12, 2005
6917095 Integrated radio frequency circuits Jul. 12, 2005
6909150 Mixed signal integrated circuit with improved isolation Jun. 21, 2005
6903435 Vertical power component Jun. 7, 2005
6885069 Semiconductor device in which occurrence of slips is suppressed Apr. 26, 2005
6875650 Eliminating substrate noise by an electrically isolated high-voltage I/O transistor Apr. 5, 2005
6876055 Semiconductor device and its production method Apr. 5, 2005
6870228 System and method to reduce noise in a substrate Mar. 22, 2005
6864542 Bipolar transistor manufacturing method Mar. 8, 2005
6855991 Semiconductor device having a doped lattice matching layer and a method of manufacture therefor Feb. 15, 2005
6852579 Method of manufacturing a semiconductor integrated circuit device Feb. 8, 2005
6853047 Power supply with control circuit for controlling a high voltage circuit using a low voltage circuit Feb. 8, 2005
6844226 System and method to reduce noise in a substrate Jan. 18, 2005
6838328 Back-biased MOS device fabrication method Jan. 4, 2005
6838736 Semiconductor device having noise immunity Jan. 4, 2005
6838745 Semiconductor device having a separation structure for high withstand voltage Jan. 4, 2005
6836172 Semiconductor switch apparatus including isolated MOS transistors Dec. 28, 2004
6833594 Semiconductor integrated circuit device and manufacture method therefore Dec. 21, 2004
6831346 Buried layer substrate isolation in integrated circuits Dec. 14, 2004
6828644 Semiconductor device with reduced parasitic capacitance between impurity diffusion regions Dec. 7, 2004
6815779 Integrated circuit including protection against polarity inversion of the substrate potential Nov. 9, 2004
6815794 Semiconductor devices with multiple isolation structure and methods for fabricating the same Nov. 9, 2004
6815795 High voltage resistive structure integrated on a semiconductor substrate Nov. 9, 2004
6812149 Method of forming junction isolation to isolate active elements Nov. 2, 2004
6809392 Micromachined device having electrically isolated components and a method for making the same Oct. 26, 2004
6809003 Bi-directional epitaxial doping technique Oct. 26, 2004
6800925 Integrated circuit configuration having a structure for reducing a minority charge carrier current Oct. 5, 2004
6800926 Tracking circuit Oct. 5, 2004
6800916 Implantable cardiac defibrillation with control circuit for controlling a high voltage circuit using a low voltage circuit Oct. 5, 2004
6787858 Carrier injection protection structure Sep. 7, 2004
6784493 Line self protecting multiple output power IC architecture Aug. 31, 2004
6784465 Vertical power component manufacturing method Aug. 31, 2004
6781206 Semiconductor device with structure restricting flow of unnecessary current therein Aug. 24, 2004
6777781 Base-to-substrate leakage cancellation Aug. 17, 2004
6777280 Method for fabricating an integrated circuit with a transistor electrode Aug. 17, 2004
6770935 Array of transistors with low voltage collector protection Aug. 3, 2004
6771112 Semiconductor integrated circuit having pads with less input signal attenuation Aug. 3, 2004
6768145 Semiconductor integrated circuit device Jul. 27, 2004
6759726 Formation of an isolating wall Jul. 6, 2004
6756270 Semiconductor device and fabrication method thereof Jun. 29, 2004
6753575 Tank-isolated-drain-extended power device Jun. 22, 2004

1 2 3 4 5 6 7 8 9 10 11

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