FR2090568A5 - - Google Patents
Info
- Publication number
- FR2090568A5 FR2090568A5 FR7114357A FR7114357A FR2090568A5 FR 2090568 A5 FR2090568 A5 FR 2090568A5 FR 7114357 A FR7114357 A FR 7114357A FR 7114357 A FR7114357 A FR 7114357A FR 2090568 A5 FR2090568 A5 FR 2090568A5
- Authority
- FR
- France
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
- H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
- H01G7/021—Electrets, i.e. having a permanently-polarised dielectric having an organic dielectric
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Radiation Pyrometers (AREA)
- Inorganic Insulating Materials (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1984270 | 1970-04-24 | ||
| GB44071 | 1971-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2090568A5 true FR2090568A5 (enExample) | 1972-01-14 |
Family
ID=26235923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7114357A Expired FR2090568A5 (enExample) | 1970-04-24 | 1971-04-22 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3721628A (enExample) |
| JP (1) | JPS5418379B1 (enExample) |
| DE (1) | DE2118823C3 (enExample) |
| FR (1) | FR2090568A5 (enExample) |
| NL (1) | NL168079C (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3855004A (en) * | 1973-11-01 | 1974-12-17 | Us Army | Method of producing current with ceramic ferroelectric device |
| GB2215513B (en) * | 1988-03-02 | 1991-02-06 | Philips Electronic Associated | Pyroelectric infra-red detectors and their method of manufacture |
-
1971
- 1971-04-17 DE DE2118823A patent/DE2118823C3/de not_active Expired
- 1971-04-20 NL NL7105269A patent/NL168079C/xx not_active IP Right Cessation
- 1971-04-22 FR FR7114357A patent/FR2090568A5/fr not_active Expired
- 1971-04-23 JP JP2617271A patent/JPS5418379B1/ja active Pending
- 1971-04-26 US US00137174A patent/US3721628A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5418379B1 (enExample) | 1979-07-06 |
| DE2118823B2 (de) | 1979-04-19 |
| DE2118823C3 (de) | 1979-12-06 |
| US3721628A (en) | 1973-03-20 |
| NL168079B (nl) | 1981-09-16 |
| NL168079C (nl) | 1982-02-16 |
| DE2118823A1 (de) | 1971-11-18 |
| NL7105269A (enExample) | 1971-10-26 |
| JPS465335A (enExample) | 1971-11-29 |