BE435957A - - Google Patents
Info
- Publication number
- BE435957A BE435957A BE435957DA BE435957A BE 435957 A BE435957 A BE 435957A BE 435957D A BE435957D A BE 435957DA BE 435957 A BE435957 A BE 435957A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/01—Manufacture or treatment
- H10D48/04—Manufacture or treatment of devices having bodies comprising selenium or tellurium in uncombined form
- H10D48/042—Preparation of foundation plates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D48/00—Individual devices not covered by groups H10D1/00 - H10D44/00
- H10D48/01—Manufacture or treatment
- H10D48/04—Manufacture or treatment of devices having bodies comprising selenium or tellurium in uncombined form
- H10D48/048—Treatment of the complete device, e.g. by electroforming to form a barrier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/964—Roughened surface
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES15120D DE922896C (de) | 1938-08-16 | 1938-08-16 | Verfahren zur Herstellung eines Selengleichrichters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE435957A true BE435957A (OSRAM) | 1939-09-30 |
Family
ID=7474837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE435957D BE435957A (OSRAM) | 1938-08-16 | 1939-08-12 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2221614A (OSRAM) |
| BE (1) | BE435957A (OSRAM) |
| CH (1) | CH214717A (OSRAM) |
| DE (1) | DE922896C (OSRAM) |
| FR (1) | FR858998A (OSRAM) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE481454A (OSRAM) * | 1941-07-12 | |||
| US2607832A (en) * | 1947-07-19 | 1952-08-19 | Vickers Inc | Devices which have selenium as constituent parts thereof |
| FR1067783A (fr) * | 1951-12-18 | 1954-06-18 | Int Standard Electric Corp | Surface redresseuse comportant du silicium ou du germanium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2035022A (en) * | 1931-03-28 | 1936-03-24 | Sprague Specialties Co | Electrolytic device |
| GB433818A (en) * | 1933-05-31 | 1935-08-21 | Joseph Barry Brennan | Improvements in and relating to electrolytic devices |
| FR774344A (fr) * | 1934-03-15 | 1934-12-05 | Suddeutsche App Fabrik G M B H | Perfectionnements aux redresseurs avec métal redresseur disposé entre deux électrodes |
-
1938
- 1938-08-16 DE DES15120D patent/DE922896C/de not_active Expired
-
1939
- 1939-08-07 CH CH214717D patent/CH214717A/de unknown
- 1939-08-11 FR FR858998D patent/FR858998A/fr not_active Expired
- 1939-08-12 US US289790A patent/US2221614A/en not_active Expired - Lifetime
- 1939-08-12 BE BE435957D patent/BE435957A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR858998A (fr) | 1940-12-07 |
| DE922896C (de) | 1955-01-27 |
| US2221614A (en) | 1940-11-12 |
| CH214717A (de) | 1941-05-15 |