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Class Information
Number: 257/E21.041
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 carbon, e.g., diamond, diamond-like carbon (epo)
Description: This subclass is indented under subclass E21.04. This subclass is substantially the same in scope as ECLA classification H01L21/04D.


Sub-classes under this class:

Class Number Class Name Patents
257/E21.044 Changing their shape, e.g., forming recess (epo) 6
257/E21.045 Making electrode (epo) 2
257/E21.042 Making n- or p-doped regions (epo) 9
257/E21.049 Multistep processes for manufacture of device whose active layer, e.g., base, channel, comprises semiconducting carbon, e.g., diamond, diamond-like carbon (epo) 3


Patents under this class:

Patent Number Title Of Patent Date Issued
7393707 Method for manufacturing an electro-optical device Jul. 1, 2008
7394103 All diamond self-aligned thin film transistor Jul. 1, 2008
7390695 Diamond substrate and manufacturing method thereof Jun. 24, 2008
7348620 Forming phase change memories Mar. 25, 2008
7327000 Patterned thin film graphite devices and method for making same Feb. 5, 2008
7300861 Method for interconnecting electronic components using a blend solution to form a conducting layer and an insulating layer Nov. 27, 2007
7288420 Method for manufacturing an electro-optical device Oct. 30, 2007
6913999 Semiconductor device with components embedded in backside diamond layer Jul. 5, 2005
6841485 Method of manufacturing semiconductor device and manufacturing line thereof Jan. 11, 2005
6815721 Diamond semiconductor and diamond semiconductor light-emitting device that uses the semiconductor Nov. 9, 2004
6676487 Method for polishing surface of vapor-phase synthesized thin diamond film Jan. 13, 2004
6649937 Semiconductor device with components embedded in backside diamond layer Nov. 18, 2003
6607676 Preparation of carbonaceous semiconductor material Aug. 19, 2003
6534125 Process for adhering an oxide of silicon to a diamond surface having non-diamond carbon thereon Mar. 18, 2003
6376276 Method of preparing diamond semiconductor Apr. 23, 2002
6352884 Method for growing crystals having impurities and crystals prepared thereby Mar. 5, 2002
6302768 Method for polishing surface of vapor-phase synthesized thin diamond film Oct. 16, 2001
6110276 Method for making n-type semiconductor diamond Aug. 29, 2000
6099639 Method for solid-state formation of diamond Aug. 8, 2000
6087005 Adhesion of silicon oxide to diamond Jul. 11, 2000
6054719 Composite structure of an electronic component Apr. 25, 2000
5803967 Method of forming diamond devices having textured and highly oriented diamond layers therein Sep. 8, 1998



 
 
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