SE376689B - - Google Patents
Info
- Publication number
- SE376689B SE376689B SE7100400A SE40071A SE376689B SE 376689 B SE376689 B SE 376689B SE 7100400 A SE7100400 A SE 7100400A SE 40071 A SE40071 A SE 40071A SE 376689 B SE376689 B SE 376689B
- Authority
- SE
- Sweden
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
- H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Lasers (AREA)
- Inorganic Insulating Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US491370A | 1970-01-22 | 1970-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE376689B true SE376689B (xx) | 1975-06-02 |
Family
ID=21713156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7100400A SE376689B (xx) | 1970-01-22 | 1971-01-14 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3657090A (xx) |
| JP (1) | JPS46383A (xx) |
| BE (1) | BE760015A (xx) |
| CA (1) | CA935071A (xx) |
| CH (1) | CH578258A5 (xx) |
| DE (1) | DE2102136C3 (xx) |
| FR (1) | FR2083037A5 (xx) |
| GB (1) | GB1334875A (xx) |
| IL (1) | IL36007A (xx) |
| NL (1) | NL7100641A (xx) |
| SE (1) | SE376689B (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL7510305A (nl) * | 1975-09-02 | 1977-03-04 | Philips Nv | Werkwijze voor de vervaardiging van een gepolari- seerd sinterlichaam geheel of gedeeltelijk be- staande uit een stof met ferroelektrische eigen- schappen en gepolariseerde sinterlichamen. |
| JPS5634316Y2 (xx) * | 1976-06-10 | 1981-08-13 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1410410A (fr) * | 1964-07-31 | 1965-09-10 | Alcatel Sa | Céramiques ferroélectriques perfectionnées à base de niobates de plomb-baryum, et leur procédé de fabrication |
| FR1410409A (fr) * | 1964-07-31 | 1965-09-10 | Alcatel Sa | Nouvelles céramiques ferroélectriques à base de niobates alcalins et leur procédé de fabrication |
| US3423686A (en) * | 1967-07-11 | 1969-01-21 | Bell Telephone Labor Inc | Optical devices utilizing substantially tetragonal ferroelectric tungsten-bronzes |
-
0
- BE BE760015D patent/BE760015A/xx unknown
-
1970
- 1970-01-22 US US4913A patent/US3657090A/en not_active Expired - Lifetime
- 1970-08-21 CA CA091336A patent/CA935071A/en not_active Expired
-
1971
- 1971-01-14 SE SE7100400A patent/SE376689B/xx unknown
- 1971-01-18 NL NL7100641A patent/NL7100641A/xx unknown
- 1971-01-18 DE DE2102136A patent/DE2102136C3/de not_active Expired
- 1971-01-18 IL IL36007A patent/IL36007A/en unknown
- 1971-01-19 CH CH74571A patent/CH578258A5/xx not_active IP Right Cessation
- 1971-01-20 FR FR7101849A patent/FR2083037A5/fr not_active Expired
- 1971-01-22 JP JP166771A patent/JPS46383A/ja active Pending
- 1971-04-19 GB GB2015471A patent/GB1334875A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL36007A (en) | 1973-07-30 |
| BE760015A (fr) | 1971-05-17 |
| DE2102136B2 (de) | 1973-02-22 |
| DE2102136C3 (de) | 1973-09-27 |
| US3657090A (en) | 1972-04-18 |
| CA935071A (en) | 1973-10-09 |
| NL7100641A (xx) | 1971-07-26 |
| IL36007A0 (en) | 1971-03-24 |
| CH578258A5 (xx) | 1976-07-30 |
| GB1334875A (en) | 1973-10-24 |
| JPS46383A (xx) | 1971-08-26 |
| FR2083037A5 (xx) | 1971-12-10 |
| DE2102136A1 (de) | 1971-09-16 |