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Class Information
Number: 257/E21.026
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 organic layer (epo) > Characterized by treatment of photoresist layer (epo)
Description: This subclass is indented under subclass E21.024. This subclass is substantially the same in scope as ECLA classification H01L21/027B6.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.03 Electro-lithographic process (epo) 66
257/E21.032 Ion lithographic process (epo) 14
257/E21.027 Photolith ographic process (epo) 343
257/E21.031 X-ray lithographic process (epo) 16


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7452820 Radiation-resistant zone plates and method of manufacturing thereof Nov. 18, 2008
7361588 Etch process for CD reduction of arc material Apr. 22, 2008
7354781 Method of manufacturing field emission device Apr. 8, 2008
7332444 Method for smoothing areas in structures by utilizing the surface tension Feb. 19, 2008
7329618 Ion implanting methods Feb. 12, 2008
7294586 Method of processing a substrate, heating apparatus, and method of forming a pattern Nov. 13, 2007
7276452 Method for removing mottled etch in semiconductor fabricating process Oct. 2, 2007
7253113 Methods for using a silylation technique to reduce cell pitch in semiconductor devices Aug. 7, 2007
7241707 Layered films formed by controlled phase segregation Jul. 10, 2007
7226873 Method of improving via filling uniformity in isolated and dense via-pattern regions Jun. 5, 2007
7226852 Preventing damage to low-k materials during resist stripping Jun. 5, 2007
7157319 Method of patterning a thin film transistor that includes simultaneously forming a gate electrode and a pixel electrode Jan. 2, 2007
7157377 Method of making a semiconductor device using treated photoresist Jan. 2, 2007
7144752 Method of manufacturing organic electroluminescent display device and organic electroluminescent display device, and display device equipped with organic electroluminescent display device Dec. 5, 2006
7053030 Silicone hyper-branched polymer surfactant, method of preparing the same and method of rinsing using a rinsing solution comprising the same May. 30, 2006
7049052 Method providing an improved bi-layer photoresist pattern May. 23, 2006
7015529 Localized masking for semiconductor structure development Mar. 21, 2006
7009148 Method of processing a substrate, heating apparatus, and method of forming a pattern Mar. 7, 2006
6969580 Method of manufacturing semiconductor device Nov. 29, 2005
6946390 Photolithographic production of trenches in a substrate Sep. 20, 2005
6946400 Patterning method for fabricating integrated circuit Sep. 20, 2005
6943117 UV nanoimprint lithography process using elementwise embossed stamp and selectively additive pressurization Sep. 13, 2005
6923920 Method and compositions for hardening photoresist in etching processes Aug. 2, 2005
6908854 Method of forming a dual-layer resist and application thereof Jun. 21, 2005
6905949 Semiconductor apparatus fabrication method forming a resist pattern, a film over the resist, and reflowing the resist Jun. 14, 2005
6900141 Method of forming a resist pattern and fabricating tapered features May. 31, 2005
6893958 Methods for preventing cross-linking between multiple resists and patterning multiple resists May. 17, 2005
6884727 Semiconductor fabrication process for modifying the profiles of patterned features Apr. 26, 2005
6875956 Method of forming photoresist pattern using hot plate oven Apr. 5, 2005
6872512 Method of forming resist pattern Mar. 29, 2005
6866986 Method of 193 NM photoresist stabilization by the use of ion implantation Mar. 15, 2005
6864144 Method of stabilizing resist material through ion implantation Mar. 8, 2005
6849486 Method of manufacturing a thinned gate electrode utilizing protective films and etching Feb. 1, 2005
6841488 Pattern formation method Jan. 11, 2005
6841465 Method of forming dual damascene pattern in semiconductor device Jan. 11, 2005
6833326 Method for forming fine patterns in semiconductor device Dec. 21, 2004
6828217 Dicing process for GAAS/INP and other semiconductor materials Dec. 7, 2004
6780778 Method for fabricating semiconductor device Aug. 24, 2004
6767824 Method of fabricating a gate structure of a field effect transistor using an alpha-carbon mask Jul. 27, 2004
6764946 Method of controlling line edge roughness in resist films Jul. 20, 2004
6750073 Method for forming a mask pattern Jun. 15, 2004
6746821 Method of structuring a photoresist layer Jun. 8, 2004
6746822 Use of surface coupling agent to improve adhesion Jun. 8, 2004
6686322 Cleaning agent and cleaning process using the same Feb. 3, 2004
6677242 Integrated shallow trench isolation approach Jan. 13, 2004
6660459 System and method for developing a photoresist layer with reduced pattern collapse Dec. 9, 2003
6653030 Optical-mechanical feature fabrication during manufacture of semiconductors and other micro-devices and nano-devices that include micron and sub-micron features Nov. 25, 2003
6645851 Method of forming planarized coatings on contact hole patterns of various duty ratios Nov. 11, 2003
6645702 Treat resist surface to prevent pattern collapse Nov. 11, 2003
6638833 Process for the fabrication of integrated devices with reduction of damage from plasma Oct. 28, 2003

1 2 3


 
 
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