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Class Information
Number: 257/E21.102
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 semiconductor device (epo) > Device having at least one potential-jump barrier or surface barrier, e.g., pn junction, depletion layer, carrier concentration layer (epo) > Device having semiconductor body comprising group iv elements or group iii-v compounds with or without impurities, e.g., doping materials (epo) > Deposition of semiconductor material on substrate, e.g., epitaxial growth, solid phase epitaxy (epo) > Using reduction or decomposition of gaseous compound yielding solid condensate, i.e., chemical deposition (epo) > Epitaxial deposition of group iv elements, e.g., si, ge, c (epo)
Description: This subclass is indented under subclass E21.101. This subclass is substantially the same in scope as ECLA classification H01L21/205B.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.103 Deposition on a semiconductor substrate which is different from the semiconductor material being deposited, i.e., formation of heterojunctions (epo) 29
257/E21.104 Deposition on an insulating or a metallic substrate (epo) 29
257/E21.106 Doping during the epitaxial deposition (epo) 50
257/E21.105 Epitaxial deposition of diamond (epo) 11


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7442657 Producing stress-relaxed crystalline layer on a substrate Oct. 28, 2008
7427545 Trench memory cells with buried isolation collars, and methods of fabricating same Sep. 23, 2008
7393735 Structure for and method of fabricating a high-mobility field-effect transistor Jul. 1, 2008
7375040 Etch stop layer May. 20, 2008
7371665 Method for fabricating shallow trench isolation layer of semiconductor device May. 13, 2008
7364980 Manufacturing method of semiconductor substrate Apr. 29, 2008
7358166 Relaxed, low-defect SGOI for strained Si CMOS applications Apr. 15, 2008
7314790 Enhancement of electron and hole mobilities in <110> Si under biaxial compressive strain Jan. 1, 2008
7288430 Method of fabricating heteroepitaxial microstructures Oct. 30, 2007
7273818 Film formation method and apparatus for semiconductor process Sep. 25, 2007
7244667 Method and device for the production of thin epitaxial semiconductor layers Jul. 17, 2007
7202145 Strained Si formed by anneal Apr. 10, 2007
7049627 Semiconductor heterostructures and related methods May. 23, 2006
7018554 Method to reduce stacking fault nucleation sites and reduce forward voltage drift in bipolar devices Mar. 28, 2006
7008864 Method of depositing high-quality SiGe on SiGe substrates Mar. 7, 2006
6995396 Semiconductor substrate, semiconductor device and method for fabricating the same Feb. 7, 2006
6991959 Method of manufacturing silicon carbide film Jan. 31, 2006
6987072 Method of producing semiconductor crystal Jan. 17, 2006
6987055 Methods for deposition of semiconductor material Jan. 17, 2006
6982208 Method for producing high throughput strained-Si channel MOSFETS Jan. 3, 2006
6979611 Method for fabricating semiconductor device Dec. 27, 2005
6958286 Method of preventing surface roughening during hydrogen prebake of SiGe substrates Oct. 25, 2005
6958253 Process for deposition of semiconductor films Oct. 25, 2005
6949474 Method of manufacturing a semiconductor device and a semiconductor manufacture system Sep. 27, 2005
6927144 Method for manufacturing buried insulating layer type single crystal silicon carbide substrate Aug. 9, 2005
6919253 Method of forming a semiconductor device including simultaneously forming a single crystalline epitaxial layer and a polycrystalline or amorphous layer Jul. 19, 2005
6911367 Methods of forming semiconductive materials having flattened surfaces; methods of forming isolation regions; and methods of forming elevated source/drain regions Jun. 28, 2005
6911401 Method for CVD process control for enhancing device performance Jun. 28, 2005
6905972 Semiconductor device and method for manufacturing the same Jun. 14, 2005
6902991 Semiconductor device having a thick strained silicon layer and method of its formation Jun. 7, 2005
6900115 Deposition over mixed substrates May. 31, 2005
6897129 Fabrication method of semiconductor device and semiconductor device May. 24, 2005
6884464 Methods for forming silicon comprising films using hexachlorodisilane in a single-wafer deposion chamber Apr. 26, 2005
6863735 Epitaxial growth furnace Mar. 8, 2005
6852602 Semiconductor crystal film and method for preparation thereof Feb. 8, 2005
6846728 Semiconductor thin film, semiconductor device employing the same, methods for manufacturing the same and device for manufacturing a semiconductor thin film Jan. 25, 2005
6838395 Method for fabricating a semiconductor crystal Jan. 4, 2005
6828182 Epitaxial thin film forming method Dec. 7, 2004
6821825 Process for deposition of semiconductor films Nov. 23, 2004
6818533 Epitaxial plasma enhanced chemical vapor deposition (PECVD) method providing epitaxial layer with attenuated defects Nov. 16, 2004
6814811 Semiconductor wafer and vapor phase growth apparatus Nov. 9, 2004
6808564 In-situ post epitaxial treatment process Oct. 26, 2004
6806171 Method of producing a thin layer of crystalline material Oct. 19, 2004
6774040 Apparatus and method for surface finishing a silicon film Aug. 10, 2004
6762106 Semiconductor device and method for fabricating the same Jul. 13, 2004
6749687 In situ growth of oxide and silicon layers Jun. 15, 2004
6746941 Semiconductor wafer and production method therefor Jun. 8, 2004
6743738 Dopant precursors and processes Jun. 1, 2004
6720587 Structure evaluation method, method for manufacturing semiconductor devices, and recording medium Apr. 13, 2004
6716751 Dopant precursors and processes Apr. 6, 2004

1 2 3 4


 
 
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