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Class Information
Number: 257/E21.024
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)
Description: This subclass is indented under subclass E21.023. This subclass is substantially the same in scope as ECLA classification H01L21/027B.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.026 Characterized by treatment of photoresist layer (epo) 155
257/E21.025 For lift-off process (epo) 184


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8686405 Minute structure, micromachine, organic transistor, electric appliance, and manufacturing method thereof Apr. 1, 2014
8679987 Deposition of an amorphous carbon layer with high film density and high etch selectivity Mar. 25, 2014
8609489 Methods of forming memory; and methods of forming vertical structures Dec. 17, 2013
8541257 Aligned polymers for an organic TFT Sep. 24, 2013
8481426 Method of forming pattern structure and method of fabricating semiconductor device using the same Jul. 9, 2013
8421095 Light-emitting diode array Apr. 16, 2013
8405071 Organic semiconductor polymer and transistor including the same Mar. 26, 2013
8399362 Apparatus for forming a film and an electroluminescence device Mar. 19, 2013
8383511 Method for manufacturing mask Feb. 26, 2013
8207055 Method for generating an electrode layer pattern in an organic functional device Jun. 26, 2012
8158447 Dual panel type organic electroluminescent display device and method fabricating the same Apr. 17, 2012
8158476 Integrated circuit fabrication Apr. 17, 2012
8153529 Method for selective deposition and devices Apr. 10, 2012
8138094 Method for manufacturing mask Mar. 20, 2012
8118585 Pattern formation method and a method for manufacturing a semiconductor device Feb. 21, 2012
8110420 Light emitting element array Feb. 7, 2012
8080438 Organic semiconductor film forming method, organic semiconductor film and organic thin film transistor Dec. 20, 2011
8048699 Dual panel type organic electroluminescent display device and method of fabricating the same Nov. 1, 2011
8030772 Formation of a masking layer on a dielectric region to facilitate formation of a capping layer on electrically conductive regions separated by the dielectric region Oct. 4, 2011
8026183 Method of forming a resist pattern Sep. 27, 2011
8021900 Planar waveguide with patterned cladding and method for producing same Sep. 20, 2011
8012298 Manufacturing method for organic light emitting display Sep. 6, 2011
8003980 Layered electro-organic devices with crosslinked polymer and methods of preparing the same Aug. 23, 2011
8003986 Active matrix organic light emitting diode display device and structure of such device Aug. 23, 2011
7981773 Switchable memory diode--a new memory device Jul. 19, 2011
7947518 Method for forming electronic devices by using protecting layers May. 24, 2011
7923284 Method of manufacturing organic light emitting display Apr. 12, 2011
7867810 Method for manufacturing a solid-state image capturing apparatus Jan. 11, 2011
7795636 Organic semiconductor device, field-effect transistor, and their manufacturing methods Sep. 14, 2010
7781320 Method for fabricating a semiconductor device by considering the extinction coefficient during etching of an interlayer insulating film Aug. 24, 2010
7781760 Thin film transistor, electro-optical device, and electronic apparatus Aug. 24, 2010
7776709 Cut-and-paste imprint lithographic mold and method therefor Aug. 17, 2010
7772018 Organic electro luminescent display and manufacturing method thereof Aug. 10, 2010
7767477 Method of manufacturing a thin film transistor array panel Aug. 3, 2010
7749916 Additive printed mask process and structures produced thereby Jul. 6, 2010
7704885 Semiconductor device and method for fabricating the same Apr. 27, 2010
7655943 Organic electroluminescent display device having OTFT and method of fabricating the same Feb. 2, 2010
7642145 Method for producing electronic device Jan. 5, 2010
7611944 Integrated circuit fabrication Nov. 3, 2009
7608544 Etching method and storage medium Oct. 27, 2009
7598115 Method of fabricating organic light emitting display Oct. 6, 2009
7589026 Method for fabricating a fine pattern in a semiconductor device Sep. 15, 2009
7550761 Switchable memory diode--a new memory device Jun. 23, 2009
7531835 Increased mobility from organic semiconducting polymers field-effect transistors May. 12, 2009
7491651 Method of forming thick silica-based film Feb. 17, 2009
7488687 Methods of forming electrical interconnect structures using polymer residues to increase etching selectivity through dielectric layers Feb. 10, 2009
7485481 Organic electroluminescent device comprising electron shower treated hole injection layer and method for preparing the same Feb. 3, 2009
7482186 Method for fabricating active matrix organic light emitting diode display device and structure of such device Jan. 27, 2009
7473607 Method of manufacturing a multi-workfunction gates for a CMOS circuit Jan. 6, 2009
7473644 Method for forming controlled geometry hardmasks including subresolution elements Jan. 6, 2009

1 2 3 4










 
 
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