GB633275A - High voltage selenium rectifiers and manufacturing process - Google Patents
High voltage selenium rectifiers and manufacturing processInfo
- Publication number
- GB633275A GB633275A GB4264/48A GB426448A GB633275A GB 633275 A GB633275 A GB 633275A GB 4264/48 A GB4264/48 A GB 4264/48A GB 426448 A GB426448 A GB 426448A GB 633275 A GB633275 A GB 633275A
- Authority
- GB
- United Kingdom
- Prior art keywords
- selenium
- rectifiers
- high voltage
- manufacturing process
- formol
- 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
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title abstract 3
- 229910052711 selenium Inorganic materials 0.000 title abstract 3
- 239000011669 selenium Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 2
- 150000001299 aldehydes Chemical class 0.000 abstract 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 abstract 2
- 229960004279 formaldehyde Drugs 0.000 abstract 2
- 235000019256 formaldehyde Nutrition 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 abstract 1
- XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000013021 overheating Methods 0.000 abstract 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 abstract 1
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
- H10D48/043—Preliminary treatment of the selenium or tellurium, its application to foundation plates or the subsequent treatment of the combination
- H10D48/046—Provision of discrete insulating layers
-
- 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
- H10D48/043—Preliminary treatment of the selenium or tellurium, its application to foundation plates or the subsequent treatment of the combination
- H10D48/045—Treatment of the surface of the selenium or tellurium layer after having been made conductive
Landscapes
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR56725T | 1947-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB633275A true GB633275A (en) | 1949-12-12 |
Family
ID=8690884
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4264/48A Expired GB633275A (en) | 1947-02-28 | 1948-02-13 | High voltage selenium rectifiers and manufacturing process |
| GB5010/48A Expired GB646852A (en) | 1947-02-28 | 1948-02-20 | High voltage selenium rectifiers and manufacturing process |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5010/48A Expired GB646852A (en) | 1947-02-28 | 1948-02-20 | High voltage selenium rectifiers and manufacturing process |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2476989A (en:Method) |
| BE (1) | BE480308A (en:Method) |
| CH (1) | CH279753A (en:Method) |
| FR (2) | FR941801A (en:Method) |
| GB (2) | GB633275A (en:Method) |
| NL (2) | NL138545B (en:Method) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2686279A (en) * | 1949-09-28 | 1954-08-10 | Rca Corp | Semiconductor device |
| US2711005A (en) * | 1949-09-30 | 1955-06-21 | Vickers Inc | Power transmission |
| US2873414A (en) * | 1955-06-16 | 1959-02-10 | Sarkes Tarzian | Selenium rectifier |
| US2974262A (en) * | 1957-06-11 | 1961-03-07 | Abraham George | Solid state device and method of making same |
-
0
- NL NL75136D patent/NL75136C/xx active
- BE BE480308D patent/BE480308A/xx unknown
- NL NL138545D patent/NL138545B/xx unknown
-
1947
- 1947-02-15 FR FR941801D patent/FR941801A/fr not_active Expired
- 1947-02-28 FR FR56725D patent/FR56725E/fr not_active Expired
-
1948
- 1948-02-12 US US8019A patent/US2476989A/en not_active Expired - Lifetime
- 1948-02-12 CH CH279753D patent/CH279753A/fr unknown
- 1948-02-13 GB GB4264/48A patent/GB633275A/en not_active Expired
- 1948-02-20 GB GB5010/48A patent/GB646852A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH279753A (fr) | 1951-12-15 |
| FR941801A (fr) | 1949-01-21 |
| GB646852A (en) | 1950-11-29 |
| BE480308A (en:Method) | |
| NL138545B (en:Method) | |
| FR56725E (fr) | 1952-10-03 |
| US2476989A (en) | 1949-07-26 |
| NL75136C (en:Method) |
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