Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E21.539
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 devices consisting of plurality of solid-state components formed in or on common substrate or of parts thereof; manufacture of integrated circuit devices or of parts thereof (epo) > Manufacture of specific parts of devices (epo) > Making of localized buried regions, e.g., buried collector layer, internal connection, substrate contacts (epo) > For group iii-v compound semiconductor integrated circuits (epo)
Description: This subclass is indented under subclass E21.537. This subclass is substantially the same in scope as ECLA classification H01L21/74F.










Patents under this class:

Patent Number Title Of Patent Date Issued
8569161 Semiconductor device with copper wirebond sites and methods of making same Oct. 29, 2013
8143147 Methods and systems for forming thin films Mar. 27, 2012
8035131 Method for forming a nitride semiconductor laminated structure and method for manufacturing a nitride semiconductor element Oct. 11, 2011
7727792 Laser diode epitaxial wafer and method for producing same Jun. 1, 2010
7700387 Method of fabricating optical device using multiple sacrificial spacer layers Apr. 20, 2010
7678593 Method of fabricating optical device using multiple sacrificial spacer layers Mar. 16, 2010
5672522 Method for making selective subcollector heterojunction bipolar transistors Sep. 30, 1997
5400354 Laminated upper cladding structure for a light-emitting device Mar. 21, 1995
5292686 Method of forming substrate vias in a GaAs wafer Mar. 8, 1994
5138407 Transistor made of 3-5 group semiconductor materials on a silicon substrate Aug. 11, 1992
4700467 Process for grounding flat devices and integrated circuits Oct. 20, 1987
3990093 Deep buried layers for semiconductor devices Nov. 2, 1976











 
 
  Recently Added Patents
Automated dynamic differential data processing
Photographic printing paper and method of making same
Wireless communication system, associated methods and data structures
Predicting popularity of electronic publications
Granulated sweetening composition
Digital-to-analog converter and performing method thereof
Hemostatic devices and methods of making same
  Randomly Featured Patents
Method and device for providing a substrate with a coating layer of a polymeric material
Machinable preformed calcium phosphate bone substitute material implants
Method of reactive targeted advertising
Digital still video camera having voice data generation
Memory management device, memory management method, and memory management program
Method of inhibiting flea-bite allergy
Capillary depletion method for quantifying transcytosis through the blood-brain barrier
Liquid detergents comprising anionic, nonionic, and cationic surfactants
Repeater for digital communication system
Combined handle and escutcheon