GB1238557A - - Google Patents
Info
- Publication number
- GB1238557A GB1238557A GB1238557DA GB1238557A GB 1238557 A GB1238557 A GB 1238557A GB 1238557D A GB1238557D A GB 1238557DA GB 1238557 A GB1238557 A GB 1238557A
- Authority
- GB
- United Kingdom
- Prior art keywords
- semi
- conductor
- aug
- capacitively coupled
- cross
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
- H03F3/10—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only with diodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N80/00—Bulk negative-resistance effect devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Junction Field-Effect Transistors (AREA)
Abstract
1,238,557. Semi-conductor devices. NIPPON ELECTRIC CO. Ltd. 4 Aug., 1969 [2 Aug., 1968], No. 38972/69. Heading H1K. [Also in Division H3] A bulk negative resistance effect device for use in an amplifier circuit carries, along one side surface, a conductive layer 15 capacitively coupled to the semi-conductor body 11 through a dielectric layer 14, and the body 11 includes a cross-sectional region, close to but spaced from the cathode electrode 12, which has a greater electrical resistance than corresponding crosssectional regions elsewhere in the body 11. The greater resistance may be achievied by variation in the dopant concentration along the length of the semi-conductor body 11 or, as shown, by etching a groove partly across the body to restrict its cross-sectional area locally. In a modification signal input and output electrodes are additionally provided on the same surface as the capacitively coupled electrode 15 at opposite ends thereof respectively. These additional electrodes may be ohmic, rectifying or capacitive
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5566668 | 1968-08-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1238557A true GB1238557A (en) | 1971-07-07 |
Family
ID=13005164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1238557D Expired GB1238557A (en) | 1968-08-02 | 1969-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1238557A (en) |
-
1969
- 1969-08-04 GB GB1238557D patent/GB1238557A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |