JPS633516B2 - - Google Patents
Info
- Publication number
- JPS633516B2 JPS633516B2 JP7500879A JP7500879A JPS633516B2 JP S633516 B2 JPS633516 B2 JP S633516B2 JP 7500879 A JP7500879 A JP 7500879A JP 7500879 A JP7500879 A JP 7500879A JP S633516 B2 JPS633516 B2 JP S633516B2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor device
- lead
- fet
- resin
- ecm
- 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
- 229920005989 resin Polymers 0.000 claims description 23
- 239000011347 resin Substances 0.000 claims description 23
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 16
- 239000010408 film Substances 0.000 claims 3
- 239000010409 thin film Substances 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 description 33
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000005266 casting Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/04—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7500879A JPS55166400A (en) | 1979-06-14 | 1979-06-14 | Capacitor microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7500879A JPS55166400A (en) | 1979-06-14 | 1979-06-14 | Capacitor microphone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55166400A JPS55166400A (en) | 1980-12-25 |
| JPS633516B2 true JPS633516B2 (enExample) | 1988-01-25 |
Family
ID=13563730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7500879A Granted JPS55166400A (en) | 1979-06-14 | 1979-06-14 | Capacitor microphone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55166400A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61232799A (ja) * | 1985-04-09 | 1986-10-17 | Matsushita Electric Ind Co Ltd | エレクトレツトコンデンサマイクロホン |
-
1979
- 1979-06-14 JP JP7500879A patent/JPS55166400A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55166400A (en) | 1980-12-25 |
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