Resources Contact Us Home
Browse by Category: Main > Physics
Class Information
Number: 257/E21.044
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) > Changing their shape, e.g., forming recess (epo)
Description: This subclass is indented under subclass E21.041. This subclass is substantially the same in scope as ECLA classification H01L21/04D16.

Patents under this class:

Patent Number Title Of Patent Date Issued
8569080 Method for packaging light emitting diode Oct. 29, 2013
8557655 Semiconductor device and method of manufacturing the same Oct. 15, 2013
7485536 Abrupt junction formation by atomic layer epitaxy of in situ delta doped dopant diffusion barriers Feb. 3, 2009
7119416 Bipolar transistor structure with self-aligned raised extrinsic base and methods Oct. 10, 2006
6858537 Process for smoothing a rough surface on a substrate by dry etching Feb. 22, 2005
6676487 Method for polishing surface of vapor-phase synthesized thin diamond film Jan. 13, 2004
6664026 Method of manufacturing high aspect ratio photolithographic features Dec. 16, 2003
6302768 Method for polishing surface of vapor-phase synthesized thin diamond film Oct. 16, 2001
5888846 Method for microfabricating diamond Mar. 30, 1999

  Recently Added Patents
System and method for improving cache efficiency
Cylindrical lithium secondary battery comprising a contoured center pin
Method for adapting a contact point of a clutch in a drivetrain of a motor vehicle
Illumination apparatus
Lighting elements
System and method for producing statistically valid assay means and ranges for quality control materials
Sending targeted product offerings based on personal information
  Randomly Featured Patents
Device for the internal deburring of a pipe
Diesel fuel containing alkenyl succinimide
Fast-acting pharmaceutical compositions and methods of use
Method and apparatus for controlling an inverter
Polymer dispersed liquid crystal with surfactant for alleviating the mutual attraction between the liquid crystal and the polymer
Finned tube with vortex generators for a heat exchanger
MFMOS capacitors with high dielectric constant materials
Two-pump optical parametric devices having reduced stimulated Raman scattering noise levels
Apparatus for monitoring game challenges
Method for heat treating an impact beam of automotive vehicle door and a system of the same