GB1390967A - Semiconductor device for producing or amplifying high-frequency electromagnetic oscillations - Google Patents
Semiconductor device for producing or amplifying high-frequency electromagnetic oscillationsInfo
- Publication number
- GB1390967A GB1390967A GB2903572A GB2903572A GB1390967A GB 1390967 A GB1390967 A GB 1390967A GB 2903572 A GB2903572 A GB 2903572A GB 2903572 A GB2903572 A GB 2903572A GB 1390967 A GB1390967 A GB 1390967A
- Authority
- GB
- United Kingdom
- Prior art keywords
- layer
- metal
- electrodes
- semiconductor material
- metal layer
- 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
- 239000004065 semiconductor Substances 0.000 title abstract 6
- 230000010355 oscillation Effects 0.000 title 1
- 229910052751 metal Inorganic materials 0.000 abstract 7
- 239000002184 metal Substances 0.000 abstract 7
- 239000000463 material Substances 0.000 abstract 3
- 239000000758 substrate Substances 0.000 abstract 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 abstract 2
- 239000004411 aluminium Substances 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
Classifications
-
- 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
- H10N80/10—Gunn-effect devices
- H10N80/107—Gunn diodes
Landscapes
- Electrodes Of Semiconductors (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7122983A FR2142722B1 (https=) | 1971-06-24 | 1971-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1390967A true GB1390967A (en) | 1975-04-16 |
Family
ID=9079205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2903572A Expired GB1390967A (en) | 1971-06-24 | 1972-06-21 | Semiconductor device for producing or amplifying high-frequency electromagnetic oscillations |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5145949B1 (https=) |
| AU (1) | AU463430B2 (https=) |
| BE (1) | BE785293A (https=) |
| CA (1) | CA958816A (https=) |
| CH (1) | CH543831A (https=) |
| DE (1) | DE2229717C3 (https=) |
| FR (1) | FR2142722B1 (https=) |
| GB (1) | GB1390967A (https=) |
| IT (1) | IT959190B (https=) |
| NL (1) | NL7208385A (https=) |
| SE (1) | SE371909B (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5676573A (en) * | 1979-11-28 | 1981-06-24 | Nippon Telegr & Teleph Corp <Ntt> | Field effect semiconductor device |
-
1971
- 1971-06-24 FR FR7122983A patent/FR2142722B1/fr not_active Expired
-
1972
- 1972-06-19 DE DE2229717A patent/DE2229717C3/de not_active Expired
- 1972-06-20 NL NL7208385A patent/NL7208385A/xx unknown
- 1972-06-21 CA CA145,270A patent/CA958816A/en not_active Expired
- 1972-06-21 IT IT69007/72A patent/IT959190B/it active
- 1972-06-21 AU AU43674/72A patent/AU463430B2/en not_active Expired
- 1972-06-21 SE SE7208191A patent/SE371909B/xx unknown
- 1972-06-21 GB GB2903572A patent/GB1390967A/en not_active Expired
- 1972-06-21 JP JP47062298A patent/JPS5145949B1/ja active Pending
- 1972-06-21 CH CH928172A patent/CH543831A/de not_active IP Right Cessation
- 1972-06-22 BE BE785293A patent/BE785293A/nl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5145949B1 (https=) | 1976-12-06 |
| BE785293A (nl) | 1972-12-22 |
| AU4367472A (en) | 1974-01-03 |
| CA958816A (en) | 1974-12-03 |
| DE2229717C3 (de) | 1980-10-09 |
| FR2142722B1 (https=) | 1977-03-18 |
| SE371909B (https=) | 1974-12-02 |
| DE2229717A1 (de) | 1972-12-28 |
| DE2229717B2 (de) | 1980-02-07 |
| IT959190B (it) | 1973-11-10 |
| CH543831A (de) | 1973-10-31 |
| NL7208385A (https=) | 1972-12-28 |
| FR2142722A1 (https=) | 1973-02-02 |
| AU463430B2 (en) | 1975-07-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |