JPH02124568U - - Google Patents
Info
- Publication number
- JPH02124568U JPH02124568U JP3449889U JP3449889U JPH02124568U JP H02124568 U JPH02124568 U JP H02124568U JP 3449889 U JP3449889 U JP 3449889U JP 3449889 U JP3449889 U JP 3449889U JP H02124568 U JPH02124568 U JP H02124568U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor device
- logic circuit
- polarity
- detection device
- polarity detection
- 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
- 230000003287 optical effect Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
Description
第１図ａ，ｂは本考案に係る反射式光センサの
配置図、第２図、第３図は素子位置決め図、第４
図は形状不良素子位置決め図、第５図は本考案の
制御回路図、第６図ａ，ｂ，ｃはタイミングチヤ
ート、第７図は従来の極性判別回路を示す図であ
る。
１〜８……反射式光センサ、９〜１１……信号
反転用ＮＯＴゲート、１２〜１８……ＡＮＤゲー
ト、１９……ＮＯＴゲート、２０〜２３……ホト
カプラー、２４……コントローラ。
1a and 1b are layout diagrams of the reflective optical sensor according to the present invention, 2 and 3 are element positioning diagrams, and 4.
5 is a control circuit diagram of the present invention, FIGS. 6a, b, and c are timing charts, and FIG. 7 is a diagram showing a conventional polarity discrimination circuit. 1-8...Reflection optical sensor, 9-11...NOT gate for signal inversion, 12-18...AND gate, 19...NOT gate, 20-23...Photocoupler, 24...Controller.
Claims (1)
の極性を判別する極性検出装置において、半導体
素子のリード長及び形状を光学的に検出する反射
式光センサと、該センサからの信号波形を整形す
る論理回路と、該論理回路からの出力に基づいて
判別を行う手段とを有することを特徴とする半導
体素子の極性検出装置。 A polarity detection device that determines the polarity of a semiconductor device, especially an element that has two polarities, includes a reflective optical sensor that optically detects the lead length and shape of the semiconductor device, and that shapes the signal waveform from the sensor. 1. A polarity detection device for a semiconductor device, comprising a logic circuit and means for making a determination based on an output from the logic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3449889U JPH02124568U (en) | 1989-03-27 | 1989-03-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3449889U JPH02124568U (en) | 1989-03-27 | 1989-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02124568U true JPH02124568U (en) | 1990-10-15 |
Family
ID=31539017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3449889U Pending JPH02124568U (en) | 1989-03-27 | 1989-03-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02124568U (en) |
-
1989
- 1989-03-27 JP JP3449889U patent/JPH02124568U/ja active Pending
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