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Class Information
Number: 257/E29.081
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Electrical characteristics due to properties of entire semiconductor body rather than just surface region (epo) > Characterized by materials of semiconductor body (epo) > Two or more elements from two or more groups of periodic table of elements (e.g., alloys) (epo) > In different semiconductor regions (e.g., heterojunctions) (epo)
Description: This subclass is indented under subclass E29.079. This subclass is substantially the same in scope as ECLA classification H01L29/267.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4158849 |
Heterojunction semiconductor device |
Jun. 19, 1979 |
| 4120705 |
Vacuum deposition process for fabricating a CdS--Cu.sub.2 S heterojunction solar cell device |
Oct. 17, 1978 |
| 4117504 |
Heterogeneous semiconductor structure with composition gradient and method for producing same |
Sep. 26, 1978 |
| 4039357 |
Etching of III-V semiconductor materials with H.sub.2 S in the preparation of heterodiodes to facilitate the deposition of cadmium sulfide |
Aug. 2, 1977 |
| 4028149 |
Process for forming monocrystalline silicon carbide on silicon substrates |
Jun. 7, 1977 |
| 4011577 |
Mechanical-electrical force transducer with semiconductor-insulating layer-tin oxide composite |
Mar. 8, 1977 |
| 4003075 |
Glass electronic devices employing ion-doped insulating glassy amorphous material |
Jan. 11, 1977 |
| 3990098 |
Structure capable of forming a diode and associated conductive path |
Nov. 2, 1976 |
| 3990095 |
Selenium rectifier having hexagonal polycrystalline selenium layer |
Nov. 2, 1976 |
| 3978510 |
Heterojunction photovoltaic devices employing I-III-VI compounds |
Aug. 31, 1976 |
| 3958262 |
Electrostatic image reproducing element employing an insulating ion impermeable glass |
May. 18, 1976 |
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