Resources Contact Us Home
Browse by Category: Main > Engineering
Class Information
Number: 438/921
Name: Semiconductor device manufacturing: process > Doping > Nonselective diffusion
Description: Art collection under 914 involving a random diffusion process (i.e., diffusion without a mask).

Patents under this class:

Patent Number Title Of Patent Date Issued
5571747 Method for producing a semiconductor commutator Nov. 5, 1996
5569611 Method of manufacturing a bipolar transistor operating at low temperature Oct. 29, 1996
4843034 Fabrication of interlayer conductive paths in integrated circuits Jun. 27, 1989
4168997 Method for making integrated circuit transistors with isolation and substrate connected collectors utilizing simultaneous outdiffusion to convert an epitaxial layer Sep. 25, 1979
4140559 Method of fabricating an improved substrate fed logic utilizing graded epitaxial deposition Feb. 20, 1979

  Recently Added Patents
Systems and methods for providing a collaboration place interface including data that is persistent after a client is longer in the collaboration place among a plurality of clients
Sparse data compression
Exposure method, exposure apparatus, and method for producing device
White light emitting diode (LED) lighting device
Multi-bank queuing architecture for higher bandwidth on-chip memory buffer
Method for forming pattern
Idle stop and go system and method for controlling thereof
  Randomly Featured Patents
Method and apparatus for driving passive matrix liquid crystal
High pressure mounting with positive lock
Bottle with closure
Flexible lightweight attached phased-array (FLAP) receive coils
Container for storing food and process and apparatus for making that container
Method of dispensing sheet material
Aqueous dispersion coating composition having noise and/or friction abatement properties
Rolled tip recovery catheter
Chip type capacitor and manufacture thereof
Liquid crystal display device and method of manufacturing the same