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Class Information
Number: 257/E21.616
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 or treatment of devices consisting of plurality of solid-state components or integrated circuits formed in, or on, common substrate (epo) > With subsequent division of substrate into plural individual devices (epo) > To produce devices each consisting of plurality of components, e.g., integrated circuits (epo) > Substrate being semiconductor, using silicon technology (epo) > Field-effect technology (epo) > Mis technology (epo)
Description: This subclass is indented under subclass E21.615. This subclass is substantially the same in scope as ECLA classification H01L21/8234.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.617 Combination of charge coupled devices, i.e., ccd or bbd (epo) 112
257/E21.618 With particular manufacturing method of channel, e.g., channel implants, halo or pocket implants, or channel materials (epo) 259
257/E21.619 With particular manufacturing method of source or drain, e.g., specific s or d implants or silicided s or d structures or raised s or d structures (epo) 388
257/E21.621 With particular manufacturing method of gate conductor, e.g., particular materials, shapes (epo) 187
257/E21.625 With particular manufacturing method of gate insulating layer, e.g., different gate insulating layer thicknesses, particular gate insulator materials or particular gate insulator implants (epo) 557
257/E21.626 With particular manufacturing method of gate sidewall spacers, e.g., double spacers, particular spacer material or shape (epo) 341
257/E21.627 Interconnection or wiring or contact manufacturing related aspects (epo) 264
257/E21.628 Isolation region manufacturing related aspects, e.g., to avoid interaction of isolation region with adjacent structure (epo) 361
257/E21.629 With particular manufacturing method of vertical transistor structures, i.e., with channel vertical to substrate surface (epo) 189
257/E21.63 With particular manufacturing method of wells or tubs, e.g., twin tubs, high energy well implants, buried implanted layers for lateral isolation (billi) (epo) 120
257/E21.631 Combination of enhancement and depletion transistors (epo) 63
257/E21.632 Complementary field-effect transistors, e.g., cmos (epo) 758
257/E21.644 With particular manufacturing method of wells or tubs, e.g., twin tubs, high energy well implants, buried implanted layers for lateral isolation (billi) (epo) 334
257/E21.645 Memory structures (epo) 504
257/E21.646 Dynamic random access memory structures (dram) (epo) 560


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8674458 Transistors with embedded strain-inducing material formed in cavities provided by an oxidizing etch process Mar. 18, 2014
8664716 Semiconductor device, method of manufacturing the same and power-supply device using the same Mar. 4, 2014
8653601 Current control semiconductor element and control device using the same Feb. 18, 2014
8643071 Integrated snubber in a single poly MOSFET Feb. 4, 2014
8633549 Semiconductor device and fabrication method thereof Jan. 21, 2014
8587224 Variable gate field-effect transistor and electrical and electronic apparatus including the same Nov. 19, 2013
8580652 Semiconductor device and manufacturing method thereof Nov. 12, 2013
8580632 Semiconductor device and method of manufacturing same Nov. 12, 2013
8574982 Implementing eDRAM stacked FET structure Nov. 5, 2013
8513058 Semiconductor device and method for producing the same Aug. 20, 2013
8507994 Semiconductor device Aug. 13, 2013
8502478 Variable gate field-effect transistor and electrical and electronic apparatus including the same Aug. 6, 2013
8466026 Semiconductor device and method for manufacturing the same Jun. 18, 2013
8420432 Method of forming semiconductor device Apr. 16, 2013
8421139 Structure and method to integrate embedded DRAM with finfet Apr. 16, 2013
8390077 Integration of low and high voltage CMOS devices Mar. 5, 2013
8384160 Semiconductor device and method of manufacturing same Feb. 26, 2013
8377763 Poly resistor and metal gate fabrication and structure Feb. 19, 2013
8373237 Transistor and method of manufacturing the same Feb. 12, 2013
8361874 Method of manufacturing semiconductor device Jan. 29, 2013
8362566 Stress in trigate devices using complimentary gate fill materials Jan. 29, 2013
8362619 Nonvolatile memory device and method of manufacturing the same Jan. 29, 2013
8350337 Semiconductor device and method of forming the same Jan. 8, 2013
8338237 Metal-induced crystallization of amorphous silicon in thin film transistors Dec. 25, 2012
8338892 Strain enhancement in transistors comprising an embedded strain-inducing semiconductor alloy by corner rounding at the top of the gate electrode Dec. 25, 2012
8330211 Semiconductor device with vertical channel transistor and low sheet resistance and method for fabricating the same Dec. 11, 2012
8324623 Semiconductor chip, semiconductor mounting module, mobile communication device, and process for producing semiconductor chip Dec. 4, 2012
8278178 Nonvolatile memory device and method of manufacturing the same Oct. 2, 2012
8273622 Semiconductor with a dynamic gate-drain capacitance Sep. 25, 2012
8269284 Method of manufacturing semiconductor device, and semiconductor device Sep. 18, 2012
8247280 Integration of low and high voltage CMOS devices Aug. 21, 2012
8222678 Semiconductor structure Jul. 17, 2012
8217453 Bi-directional DMOS with common drain Jul. 10, 2012
8202770 Semiconductor structure of a display device and method for fabricating the same Jun. 19, 2012
8193062 Asymmetric silicon-on-insulator SRAM cell Jun. 5, 2012
8183115 Method of manufacturing a semiconductor device having elevated layers of differing thickness May. 22, 2012
8183107 Semiconductor devices with improved local matching and end resistance of RX based resistors May. 22, 2012
8138551 Semiconductor device with transistors and its manufacturing method Mar. 20, 2012
8105895 Enhancing Schottky breakdown voltage (BV) without affecting an integrated MOSFET-Schottky device layout Jan. 31, 2012
8088677 Method of manufacturing semiconductor device, and semiconductor device Jan. 3, 2012
8012827 Method for fabricating a dual workfunction semiconductor device and the device made thereof Sep. 6, 2011
7982253 Semiconductor device with a dynamic gate-drain capacitance Jul. 19, 2011
7981740 Enhanced cap layer integrity in a high-K metal gate stack by using a hard mask for offset spacer patterning Jul. 19, 2011
7977715 LDMOS devices with improved architectures Jul. 12, 2011
7956423 Semiconductor device with trench gate and method of manufacturing the same Jun. 7, 2011
7951662 Method of fabricating strained silicon transistor May. 31, 2011
7932143 Methods for protecting gate stacks during fabrication of semiconductor devices and semiconductor devices fabricated from such methods Apr. 26, 2011
7867858 Hybrid transistor based power gating switch circuit and method Jan. 11, 2011
7863680 Semiconductor component and method for producing it Jan. 4, 2011
7763516 Manufacturing method of semiconductor device having trench isolation Jul. 27, 2010

1 2 3 4










 
 
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