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Class Information
Number: 257/E21.027
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) > Photolith ographic process (epo)
Description: This subclass is indented under subclass E21.026. This subclass is substantially the same in scope as ECLA classification H01L21/027B6B.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.029 Using anti-reflective coating (epo) 427
257/E21.028 Using laser (epo) 40


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

Patent Number Title Of Patent Date Issued
7439196 Method for manufacturing pattern formed structure Oct. 21, 2008
7413922 Fabricating method of a pixel structure Aug. 19, 2008
7381654 Method for fabricating right-angle holes in a substrate Jun. 3, 2008
7368362 Methods for increasing photo alignment margins May. 6, 2008
7368390 Photolithographic patterning process using a carbon hard mask layer of diamond-like hardness produced by a plasma-enhanced deposition process May. 6, 2008
7335593 Method of fabricating semiconductor device Feb. 26, 2008
7262129 Minimizing resist poisoning in the manufacture of semiconductor devices Aug. 28, 2007
7259106 Method of making a microelectronic and/or optoelectronic circuitry sheet Aug. 21, 2007
7169716 Photosensitive lacquer for providing a coating on a semiconductor substrate or a mask Jan. 30, 2007
7145247 Offset-bonded, multi-chip semiconductor device Dec. 5, 2006
7064075 Method for manufacturing semiconductor electronics devices Jun. 20, 2006
7049241 Method for forming a trench in a layer or a layer stack on a semiconductor wafer May. 23, 2006
7041568 Method for the production of a self-adjusted structure on a semiconductor wafer May. 9, 2006
7033948 Method for reducing dimensions between patterns on a photoresist Apr. 25, 2006
7026240 Method of fabricating a semiconductor device having a photo-sensitive polyimide layer and a device fabricated in accordance with the method Apr. 11, 2006
7026106 Exposure method for the contact hole Apr. 11, 2006
7018780 Methods for controlling and reducing profile variation in photoresist trimming Mar. 28, 2006
7018748 Process for producing hard masks Mar. 28, 2006
7015529 Localized masking for semiconductor structure development Mar. 21, 2006
6989231 Method of forming fine patterns using silicon oxide layer Jan. 24, 2006
6979654 Method of avoiding dielectric layer deterioation with a low dielectric constant during a stripping process Dec. 27, 2005
6962878 Method to reduce photoresist mask line dimensions Nov. 8, 2005
6958292 Method of manufacturing integrated circuit Oct. 25, 2005
6936406 Method of manufacturing integrated circuit Aug. 30, 2005
6936408 Partially photoexposed positive photoresist layer blocking method for regio-selectively processing a microelectronic layer Aug. 30, 2005
6933191 Two-mask process for metal-insulator-metal capacitors and single mask process for thin film resistors Aug. 23, 2005
6911399 Method of controlling critical dimension microloading of photoresist trimming process by selective sidewall polymer deposition Jun. 28, 2005
6905621 Method for preventing the etch transfer of sidelobes in contact hole patterns Jun. 14, 2005
6905899 Methods for forming a photoresist pattern using an anti-optical proximity effect Jun. 14, 2005
6902868 Method of manufacturing integrated circuit Jun. 7, 2005
6900138 Oxygen plasma treatment for nitride surface to reduce photo footing May. 31, 2005
6893972 Process for sidewall amplification of resist structures and for the production of structures having reduced structure size May. 17, 2005
6890699 Polymer material having a low glass transition temperature for use in chemically amplified photoresists for semiconductor production May. 10, 2005
6884735 Materials and methods for sublithographic patterning of gate structures in integrated circuit devices Apr. 26, 2005
6875624 Combined E-beam and optical exposure semiconductor lithography Apr. 5, 2005
6872663 Method for reworking a multi-layer photoresist following an underlayer development Mar. 29, 2005
6869737 Method for exposing a photosensitive resist layer with near-field light Mar. 22, 2005
6866986 Method of 193 NM photoresist stabilization by the use of ion implantation Mar. 15, 2005
6861376 Photoresist scum free process for via first dual damascene process Mar. 1, 2005
6821913 Method for forming dual oxide layers at bottom of trench Nov. 23, 2004
6815333 Tri-layer masking architecture for patterning dual damascene interconnects Nov. 9, 2004
6800551 Chemical amplification type photoresist composition, method for producing a semiconductor device using the composition, and semiconductor substrate Oct. 5, 2004
6799907 Plasma enhanced method for increasing silicon-containing photoresist selectivity Oct. 5, 2004
6794113 Negative resist composition, method for the formation of resist patterns and process for the production of electronic devices Sep. 21, 2004
6794207 Method of manufacturing integrated circuit Sep. 21, 2004
6794112 Negative resist composition, method for the formation of resist patterns and process for the production of electronic devices Sep. 21, 2004
6787288 Negative resist composition, method for the formation of resist patterns and process for the production of electronic devices Sep. 7, 2004
6787455 Bi-layer photoresist method for forming high resolution semiconductor features Sep. 7, 2004
6787484 Method of reducing visible light induced arcing in a semiconductor wafer manufacturing process Sep. 7, 2004
6784005 Photoresist reflow for enhanced process window for random, isolated, semi-dense, and other non-dense contacts Aug. 31, 2004

1 2 3 4 5 6 7


 
 
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