Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Physics
Class Information
Number: 257/E21.076
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 selenium (se) or tellurium (te) (epo) > Treatment of complete device, e.g., by electroforming to form barrier (epo)
Description: This subclass is indented under subclass E21.068. This subclass is substantially the same in scope as ECLA classification H01L21/14.










Sub-classes under this class:

Class Number Class Name Patents
257/E21.077 Heat treating (epo) 114


Patents under this class:

Patent Number Title Of Patent Date Issued
7964938 Semiconductor packages having electromagnetic interference-shielding function, manufacturing method thereof and jig Jun. 21, 2011
7605082 Capping before barrier-removal IC fabrication method Oct. 20, 2009
7157371 Barrier layer and a method for suppressing diffusion processes during the production of semiconductor devices Jan. 2, 2007
3940645 Small-sized synchronous motor Feb. 24, 1976











 
 
  Recently Added Patents
Method for producing cathode active material for a lithium secondary battery
Electro-optical device, method of manufacturing the same, and electronic apparatus
Horizontal cable manager
Plants and seeds of hybrid corn variety CH979678
Method for testing multi-chip stacked packages
Integrated projector system
Automated synchronization of design features in disparate code components using type differencing
  Randomly Featured Patents
Handheld biothreat detector
Lip type seal
Fan-out padding using a hot melt adhesive
Big game hoist and carrier assembly
Polyacrylate reaction products
Modular animal boarding system
Unidirectional pinch rollers for a cloth spreading machine
Integrated touch screen
Systems and methods for deblurring data corrupted by shift variant blurring
Exhaust emission control system for internal combustion engine