GB579824A - Improvements in silicon-crystal rectifiers - Google Patents
Improvements in silicon-crystal rectifiersInfo
- Publication number
- GB579824A GB579824A GB1302543A GB1302543A GB579824A GB 579824 A GB579824 A GB 579824A GB 1302543 A GB1302543 A GB 1302543A GB 1302543 A GB1302543 A GB 1302543A GB 579824 A GB579824 A GB 579824A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crystal
- electrolyte
- cup
- immersed
- current
- 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
- 239000013078 crystal Substances 0.000 title abstract 9
- 239000003792 electrolyte Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- 229910052751 metal Inorganic materials 0.000 abstract 2
- 239000002184 metal Substances 0.000 abstract 2
- 229910001369 Brass Inorganic materials 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 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
- 229910052790 beryllium Inorganic materials 0.000 abstract 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000010951 brass Substances 0.000 abstract 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N hydrofluoric acid Substances F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 abstract 1
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- C25F3/12—Etching of semiconducting materials
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Weting (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE467885D BE467885A (en:Method) | 1943-08-11 | ||
| NL70886D NL70886C (en:Method) | 1943-08-11 | ||
| GB1302543A GB579824A (en) | 1943-08-11 | 1943-08-11 | Improvements in silicon-crystal rectifiers |
| FR927443D FR927443A (fr) | 1943-08-11 | 1946-05-28 | Redresseurs électriques |
| CH263779D CH263779A (de) | 1943-08-11 | 1946-08-21 | Verfahren zur Herstellung eines Kristall-Gleichrichters. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1302543A GB579824A (en) | 1943-08-11 | 1943-08-11 | Improvements in silicon-crystal rectifiers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB579824A true GB579824A (en) | 1946-08-16 |
Family
ID=10015431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1302543A Expired GB579824A (en) | 1943-08-11 | 1943-08-11 | Improvements in silicon-crystal rectifiers |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE467885A (en:Method) |
| CH (1) | CH263779A (en:Method) |
| FR (1) | FR927443A (en:Method) |
| GB (1) | GB579824A (en:Method) |
| NL (1) | NL70886C (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1005193B (de) * | 1951-10-12 | 1957-03-28 | Int Standard Electric Corp | Verfahren zur Herstellung von Kristallgleichrichtern mit negativem Widerstand |
| DE1031893B (de) * | 1952-08-01 | 1958-06-12 | Standard Elektrik Ag | Verfahren zur aeusseren Formgebung von Halbleiteranordnungen, insbesondere fuer Gleichrichter- und Verstaerkerzwecke mit Halbleitern aus Germanium oder Silizium |
| BE536485A (en:Method) * | 1954-03-18 | |||
| DE1052575B (de) * | 1954-06-23 | 1959-03-12 | Siemens Ag | Verfahren zur Herstellung von Kontaktierungen auf Halbleiterkoerpern fuer Halbleiteranordnungen |
| NL216354A (en:Method) * | 1956-06-21 |
-
0
- BE BE467885D patent/BE467885A/xx unknown
- NL NL70886D patent/NL70886C/xx active
-
1943
- 1943-08-11 GB GB1302543A patent/GB579824A/en not_active Expired
-
1946
- 1946-05-28 FR FR927443D patent/FR927443A/fr not_active Expired
- 1946-08-21 CH CH263779D patent/CH263779A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE467885A (en:Method) | |
| CH263779A (de) | 1949-09-15 |
| NL70886C (en:Method) | |
| FR927443A (fr) | 1947-10-29 |
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