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Class Information
Number: 257/E21.034
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) > Making mask on semicond uctor body for further photolithographic processing (epo) > Comprising inorganic layer (epo) > For lift-off process (epo)
Description: This subclass is indented under subclass E21.033. This subclass is substantially the same in scope as ECLA classification H01L21/033B.


Patents under this class:

Patent Number Title Of Patent Date Issued
7446030 Methods for fabricating current-carrying structures using voltage switchable dielectric materials Nov. 4, 2008
7291891 In-solid nuclear spin quantum calculation device Nov. 6, 2007
7041228 Substrate for and a process in connection with the product of structures May. 9, 2006
7033936 Process for making island arrays Apr. 25, 2006
7008810 Method for fabricating at least one mesa or ridge structure or at least one electrically pumped region in a layer or layer sequence Mar. 7, 2006
6916597 Method for fabricating a resist pattern, a method for patterning a thin film and a method for manufacturing a micro device Jul. 12, 2005
6914003 Method for manufacturing magnetic random access memory Jul. 5, 2005
6849532 Method of manufacturing a transistor in a semiconductor device Feb. 1, 2005
6846750 High precision pattern forming method of manufacturing a semiconductor device Jan. 25, 2005
6686128 Method of fabricating patterned layers of material upon a substrate Feb. 3, 2004
6627526 Method for fabricating a conductive structure for a semiconductor device Sep. 30, 2003
6623988 Method for fabricating ferroelectric capacitor of semiconductor device Sep. 23, 2003
6590250 DRAM capacitor array and integrated device array of substantially identically shaped devices Jul. 8, 2003
6537866 Method of forming narrow insulating spacers for use in reducing minimum component size Mar. 25, 2003
6521541 Surface preparation of substances for continuous convective assembly of fine particles Feb. 18, 2003
6451684 Semiconductor device having a conductive layer side surface slope which is at least 90.degree. and method for manufacturing the same Sep. 17, 2002
6383853 Method of fabricating semiconductor device May. 7, 2002
6365470 Method for manufacturing self-matching transistor Apr. 2, 2002
6274198 Shadow mask deposition Aug. 14, 2001
6180429 Process for selective area growth of III-V semiconductors Jan. 30, 2001
6156665 Trilayer lift-off process for semiconductor device metallization Dec. 5, 2000
6121653 Dram capacitor arrays with 3-capacitor and 6-capacitor geometries Sep. 19, 2000
6080514 Fabrication method of mask for semiconductor device Jun. 27, 2000
6048671 Ultra-fine microfabrication method using an energy beam Apr. 11, 2000
6015976 Fabrication apparatus employing energy beam Jan. 18, 2000
6010831 Ultra-fine microfabrication method using an energy beam Jan. 4, 2000
6007969 Ultra-fine microfabrication method using an energy beam Dec. 28, 1999
5950106 Method of patterning a metal substrate using spin-on glass as a hard mask Sep. 7, 1999
5894058 Ultra-fine microfabrication method using a fast atomic energy beam Apr. 13, 1999
5891804 Process for conductors with selective deposition Apr. 6, 1999
5871870 Mask for forming features on a semiconductor substrate and a method for forming the mask Feb. 16, 1999
5868952 Fabrication method with energy beam Feb. 9, 1999
5858861 Reducing nitride residue by changing the nitride film surface property Jan. 12, 1999
5858847 Method for a lightly doped drain structure Jan. 12, 1999
5830774 Method for forming a metal pattern on a substrate Nov. 3, 1998
5725788 Apparatus and method for patterning a surface Mar. 10, 1998
5676853 Mask for forming features on a semiconductor substrate and a method for forming the mask Oct. 14, 1997
5641715 Semiconductor IC device fabricating method Jun. 24, 1997
5554488 Semiconductor device structure and method of formation thereof Sep. 10, 1996
5541128 Self-aligned thin-film transistor constructed using lift-off technique Jul. 30, 1996
5407529 Method for manufacturing semiconductor device Apr. 18, 1995
5376229 Method of fabrication of adjacent coplanar semiconductor devices Dec. 27, 1994
5240558 Method for forming a semiconductor device Aug. 31, 1993
4766093 Chemically formed self-aligned structure and wave guide Aug. 23, 1988
4697333 Method of manufacturing a semiconductor device using amorphous silicon as a mask Oct. 6, 1987
4654119 Method for making submicron mask openings using sidewall and lift-off techniques Mar. 31, 1987
4637129 Selective area III-V growth and lift-off using tungsten patterning Jan. 20, 1987
4356056 Process for insulating the interconnections of integrated circuits Oct. 26, 1982
4224361 High temperature lift-off technique Sep. 23, 1980



 
 
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