Resources Contact Us Home
Browse by Category: Main > Physics
Class Information
Number: 257/E39.019
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Devices using superconductivity, processes, or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof (epo) > Permanent superconductor devices (epo) > Three or more electrode devices (epo)
Description: This subclass is indented under subclass E39.012. This subclass is substantially the same in scope as ECLA classification H01L39/14C.

Sub-classes under this class:

Class Number Class Name Patents
257/E39.02 Field-effect devices (epo) 68

Patents under this class:

Patent Number Title Of Patent Date Issued
7723715 Memory device and method of making same May. 25, 2010
7307275 Encoding and error suppression for superconducting quantum computers Dec. 11, 2007
7304348 DMOS transistor Dec. 4, 2007
7145170 Coupled superconducting charge quantum bit device and controlled-not gate using the same Dec. 5, 2006
5571778 Superconducting junction material and process of preparing same Nov. 5, 1996
5550389 Superconducting device Aug. 27, 1996
5378949 Signal mixing device utilizing a superconducting strip line with superconducting weak links and two control lines Jan. 3, 1995
5338943 Magnetic flux-enhanced control line for superconducting flux flow transistor Aug. 16, 1994
5262395 Superconducting active impedance converter Nov. 16, 1993
5229655 Dual control active superconductive devices Jul. 20, 1993
5019721 Active superconducting devices formed of thin films May. 28, 1991
4999337 Superconductive transistor Mar. 12, 1991

  Recently Added Patents
Specializing disambiguation of a natural language expression
Interactive program guide systems and processes
MRAM with sidewall protection and method of fabrication
Production of battery grade materials via an oxalate method
Subband SNR correction in a frequency selective scheduler
Micro positioning test socket and methods for active precision alignment and co-planarity feedback
Data latch circuit and electronic device
  Randomly Featured Patents
Marking ammunition
Fuel tank having a body of plastics material and a sealing gasket
Optical printing head for optical printing system
Door lock apparatus
Dentifrice preparation comprising purified, calcined kaolin abrasives
Support for dust collector
Extractive separation of glycolic acid from diglycolic acid
Spectrophotometric system and method for the identification and characterization of a particle in a bodily fluid
Optical cable with a flexible stack of optical fiber ribbons
Three-dimensional, support socket digitizing system and method