NL19973C - - Google Patents
Info
- Publication number
- NL19973C NL19973C NL32884A NL32884A NL19973C NL 19973 C NL19973 C NL 19973C NL 32884 A NL32884 A NL 32884A NL 32884 A NL32884 A NL 32884A NL 19973 C NL19973 C NL 19973C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/16—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising cuprous oxide or cuprous iodide
- H01L21/161—Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
- H01L21/164—Oxidation and subsequent heat treatment of the foundation plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/16—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising cuprous oxide or cuprous iodide
- H01L21/161—Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/16—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising cuprous oxide or cuprous iodide
- H01L21/161—Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
- H01L21/165—Reduction of the copper oxide, treatment of the oxide layer
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Thermal Sciences (AREA)
- Chemical Treatment Of Metals (AREA)
- Contacts (AREA)
- Primary Cells (AREA)
- Manufacture Of Switches (AREA)
- Braking Arrangements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US55523A US1892832A (en) | 1925-09-10 | 1925-09-10 | Process of preparing uni-directional current carrying devices |
| US131620A US1704734A (en) | 1925-09-10 | 1926-08-26 | Manufacture of electrical rectifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL19973C true NL19973C (de) | 1929-05-15 |
Family
ID=26734321
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL32884A NL19973C (de) | 1925-09-10 | 1926-03-18 | |
| NL37905A NL23279C (de) | 1925-09-10 | 1927-08-09 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL37905A NL23279C (de) | 1925-09-10 | 1927-08-09 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US1892832A (de) |
| BE (2) | BE332988A (de) |
| DE (2) | DE529305C (de) |
| FR (3) | FR595909A (de) |
| GB (1) | GB276622A (de) |
| NL (2) | NL19973C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2462218A (en) * | 1945-04-17 | 1949-02-22 | Bell Telephone Labor Inc | Electrical translator and method of making it |
| US2496721A (en) * | 1945-10-19 | 1950-02-07 | Westinghouse Electric Corp | Rectifier |
| DE972433C (de) * | 1951-10-07 | 1959-07-23 | Siemens Ag | Verfahren zur Herstellung von Kupferoxydul-Gleichrichterscheiben |
| US2990300A (en) * | 1957-12-16 | 1961-06-27 | Mc Graw Edison Co | Protective device |
-
1925
- 1925-03-28 FR FR595909D patent/FR595909A/fr not_active Expired
- 1925-09-10 US US55523A patent/US1892832A/en not_active Expired - Lifetime
-
1926
- 1926-03-12 DE DEW71965D patent/DE529305C/de not_active Expired
- 1926-03-18 NL NL32884A patent/NL19973C/xx active
- 1926-03-26 BE BE332988D patent/BE332988A/xx unknown
- 1926-08-09 FR FR32129D patent/FR32129E/fr not_active Expired
- 1926-08-26 US US131620A patent/US1704734A/en not_active Expired - Lifetime
-
1927
- 1927-04-30 GB GB11611/27A patent/GB276622A/en not_active Expired
- 1927-08-06 DE DEW76784D patent/DE487733C/de not_active Expired
- 1927-08-09 NL NL37905A patent/NL23279C/xx active
- 1927-08-19 FR FR34002D patent/FR34002E/fr not_active Expired
- 1927-08-24 BE BE344478D patent/BE344478A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US1704734A (en) | 1929-03-12 |
| DE529305C (de) | 1931-07-11 |
| GB276622A (en) | 1928-07-30 |
| BE332988A (de) | 1928-04-30 |
| US1892832A (en) | 1933-01-03 |
| NL23279C (de) | 1930-12-15 |
| BE344478A (de) | 1927-08-30 |
| FR34002E (fr) | 1929-04-29 |
| DE487733C (de) | 1929-12-19 |
| FR32129E (fr) | 1927-09-10 |
| FR595909A (fr) | 1925-10-12 |