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Class Information
Number: 257/E21.644
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) > With particular manufacturing method of wells or tubs, e.g., twin tubs, high energy well implants, buried implanted layers for lateral isolation (billi) (epo)
Description: This subclass is indented under subclass E21.616. This subclass is substantially the same in scope as ECLA classification H01L21/8238W.

Sub-classes under this class:

Class Number Class Name Patents

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8569157 Stepped masking for patterned implantation Oct. 29, 2013
8492849 High side semiconductor structure Jul. 23, 2013
8470675 Thick gate oxide for LDMOS and DEMOS Jun. 25, 2013
8362533 Semiconductor device including a transistor and a ferroelectric capacitor Jan. 29, 2013
8278131 Method and apparatus for dark current and blooming supression in 4T CMOS imager pixel Oct. 2, 2012
8168536 Realization of self-positioned contacts by epitaxy May. 1, 2012
8125041 Semiconductor device Feb. 28, 2012
8053321 Formation of standard voltage threshold and low voltage threshold MOSFET devices Nov. 8, 2011
8039359 Method of forming low capacitance ESD device and structure therefor Oct. 18, 2011
8021908 Method and apparatus for dark current and blooming suppression in 4T CMOS imager pixel Sep. 20, 2011
8003476 Semiconductor device having a plurality of kinds of wells and manufacturing method thereof Aug. 23, 2011
7902020 Semiconductor device and method of manufacturing the same Mar. 8, 2011
7855116 Nonvolatile semiconductor memory device and manufacturing method thereof Dec. 21, 2010
7812384 Semiconductor device including a transistor and a ferroelectric capacitor Oct. 12, 2010
7807514 CCD with improved charge transfer Oct. 5, 2010
7776643 Solid state image pickup device and its manufacture method Aug. 17, 2010
7723825 Semiconductor device and method of manufacturing the same May. 25, 2010
7612415 Method of forming semiconductor device Nov. 3, 2009
7608515 Diffusion layer for stressed semiconductor devices Oct. 27, 2009
7579651 Semiconductor device Aug. 25, 2009
7556990 CMOS image sensor having improved signal efficiency and method for manufacturing the same Jul. 7, 2009
7521312 Method and system for creating self-aligned twin wells with co-planar surfaces in a semiconductor device Apr. 21, 2009
7465632 Method for forming buried doped region Dec. 16, 2008
7439140 Formation of standard voltage threshold and low voltage threshold MOSFET devices Oct. 21, 2008
7361540 Method of reducing noise disturbing a signal in an electronic device Apr. 22, 2008
7361549 Method for fabricating memory cells for a memory device Apr. 22, 2008
7354833 Method for improving threshold voltage stability of a MOS device Apr. 8, 2008
7297590 Method for fabricating an integrated pin diode and associated circuit arrangement Nov. 20, 2007
7294564 Method for forming a layered semiconductor technology structure and corresponding layered semiconductor technology structure Nov. 13, 2007
7282402 Method of making a dual strained channel semiconductor device Oct. 16, 2007
7273776 Methods of forming a P-well in an integrated circuit device Sep. 25, 2007
7223664 Semiconductor device and method for fabricating the same May. 29, 2007
7208367 Methods of fabricating ferroelectric memory devices having expanded plate lines Apr. 24, 2007
7074659 Method of fabricating a lateral double-diffused MOSFET (LDMOS) transistor Jul. 11, 2006
7064399 Advanced CMOS using super steep retrograde wells Jun. 20, 2006
7060581 Method for manufacturing a semiconductor device Jun. 13, 2006
7052966 Deep N wells in triple well structures and method for fabricating same May. 30, 2006
7049199 Method of ion implantation for achieving desired dopant concentration May. 23, 2006
7022560 Method to manufacture high voltage MOS transistor by ion implantation Apr. 4, 2006
7008836 Method to provide a triple well in an epitaxially based CMOS or BiCMOS process Mar. 7, 2006
7002222 Integrated semiconductor memory circuit and method of manufacturing the same Feb. 21, 2006
6995431 System and method to reduce noise in a substrate Feb. 7, 2006
6992361 Deep well implant structure providing latch-up resistant CMOS semiconductor product Jan. 31, 2006
6979864 Semiconductor device and method for fabricating such device Dec. 27, 2005
6979845 Semiconductor device in which punchthrough is prevented Dec. 27, 2005
6974742 Method for fabricating complementary metal oxide semiconductor image sensor Dec. 13, 2005
6969893 Semiconductor device and portable electronic apparatus Nov. 29, 2005
6967380 CMOS device having retrograde n-well and p-well Nov. 22, 2005
6946339 Method for creating a stepped structure on a substrate Sep. 20, 2005
6939757 Method for fabricating merged logic CMOS device Sep. 6, 2005

1 2 3 4 5 6 7

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