JPS6429856U - - Google Patents
Info
- Publication number
- JPS6429856U JPS6429856U JP12492587U JP12492587U JPS6429856U JP S6429856 U JPS6429856 U JP S6429856U JP 12492587 U JP12492587 U JP 12492587U JP 12492587 U JP12492587 U JP 12492587U JP S6429856 U JPS6429856 U JP S6429856U
- Authority
- JP
- Japan
- Prior art keywords
- field effect
- semiconductor element
- junction
- gate
- condenser microphone
- 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.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims description 11
- 230000005669 field effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Amplifiers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Junction Field-Effect Transistors (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案のコンデンサマイク用半導体装
置の等価回路図、第２図は本考案の他の実施例で
あるコンデンサマイク用半導体装置の等価回路図
、第３図は第２図のコンデンサマイク用半導体装
置の平面図、第４図は従来のコンデンサマイク用
半導体装置の等価回路図、第５図は第４図のコン
デンサマイク用半導体装置の平面図である。
１はコンデンサマイク用半導体装置、２はＪ―
ＦＥＴ、３はソース、４はゲート、５，６はダイ
オード、７はドレイン、８はツエナーダイオード
、９はポリシリコン抵抗体、１０は半導体基板、
１１，１２，１３，１４，１５は第１乃至第５の
島領域、１６は分離領域、１７，１８はゲート領
域、１９はドレイン領域、２０，２１はソース領
域、２２，２３，２４はコンタクト領域、２５は
電極、２６，２７はコンタクト領域、２８はドレ
インボンデイングパツド、２９，３０，３１は電
極、３２はアノード領域、３３，３４はアノード
領域、３５，３６はカソード領域、３７，３８，
３９は電極、４０はカソード領域、４１は電極、
４２，４３は重畳部、４４はソースボンデイング
パツド、４５は電極である。
Fig. 1 is an equivalent circuit diagram of a semiconductor device for a condenser microphone according to the present invention, Fig. 2 is an equivalent circuit diagram of a semiconductor device for a condenser microphone according to another embodiment of the present invention, and Fig. 3 is an equivalent circuit diagram of a semiconductor device for a condenser microphone according to the present invention. 4 is an equivalent circuit diagram of a conventional semiconductor device for a condenser microphone, and FIG. 5 is a plan view of the semiconductor device for a condenser microphone shown in FIG. 4. 1 is a semiconductor device for condenser microphone, 2 is J-
FET, 3 is a source, 4 is a gate, 5 and 6 are diodes, 7 is a drain, 8 is a Zener diode, 9 is a polysilicon resistor, 10 is a semiconductor substrate,
11, 12, 13, 14, 15 are first to fifth island regions, 16 is an isolation region, 17, 18 are gate regions, 19 is a drain region, 20, 21 are source regions, 22, 23, 24 are contacts 25 is an electrode, 26, 27 are contact regions, 28 is a drain bonding pad, 29, 30, 31 are electrodes, 32 is an anode region, 33, 34 are anode regions, 35, 36 are cathode regions, 37, 38 ，
39 is an electrode, 40 is a cathode region, 41 is an electrode,
42 and 43 are overlapping parts, 44 is a source bonding pad, and 45 is an electrode.
Claims (1)
接合型電界効果半導体素子のゲート・ソース間に
逆方向に接続された２個の接合ダイオードと、前
記接合型電界効果半導体素子のゲート・ドレイン
間に接続されたツエナーダイオードとを具備する
ことを特徴としたコンデンサマイク用半導体装置
。 At least a junction field effect semiconductor element, two junction diodes connected in opposite directions between the gate and source of the junction field effect semiconductor element, and two junction diodes connected between the gate and drain of the junction field effect semiconductor element. A semiconductor device for a condenser microphone, characterized by comprising a Zener diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12492587U JPS6429856U (en) | 1987-08-17 | 1987-08-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12492587U JPS6429856U (en) | 1987-08-17 | 1987-08-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6429856U true JPS6429856U (en) | 1989-02-22 |
Family
ID=31375075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12492587U Pending JPS6429856U (en) | 1987-08-17 | 1987-08-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6429856U (en) |
-
1987
- 1987-08-17 JP JP12492587U patent/JPS6429856U/ja active Pending