JPH0479426U - - Google Patents
Info
- Publication number
- JPH0479426U JPH0479426U JP12203990U JP12203990U JPH0479426U JP H0479426 U JPH0479426 U JP H0479426U JP 12203990 U JP12203990 U JP 12203990U JP 12203990 U JP12203990 U JP 12203990U JP H0479426 U JPH0479426 U JP H0479426U
- Authority
- JP
- Japan
- Prior art keywords
- lead frame
- optical fiber
- end surface
- photoelectric conversion
- conversion elements
- 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
- 239000013307 optical fiber Substances 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims 2
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Lead Frames For Integrated Circuits (AREA)
Description
第１図は本考案の第１の実施例の斜視図、第２
図は第１の実施例の回路図、第３図は第１の実施
例のリードフレームと光フアイバー端面との位置
を示した平面図、第４図は本考案の第２の実施例
の回路図、第５図は従来のリードフレーム位置検
出機構を示す斜視図およびブロツク図である。
１……リードフレーム搬送路、２……リードフ
レーム、３ａ〜３ｔ……光フアイバー端面、４ａ
，４ｂ……光フアイバー、５ａ〜５ｂ……光フア
イバーの他の端面、６ａ，６ｂ……フオトトラン
ジスタ、７……アナログ加算器、８……オペアン
プ回路、９……アナログ・デイジタル変換器、１
０……制御回路、１１ａ，１１ｂ，１１ｃ……シ
リコン太陽電池、１２……リードフレーム位置検
出窓、１３……１次元イメージセンサ、１４……
インタフエイス回路、１５……モータ制御回路。
Fig. 1 is a perspective view of the first embodiment of the present invention;
The figure is a circuit diagram of the first embodiment, FIG. 3 is a plan view showing the position of the lead frame and the end face of the optical fiber in the first embodiment, and FIG. 4 is a circuit diagram of the second embodiment of the present invention. 5 are a perspective view and a block diagram showing a conventional lead frame position detection mechanism. DESCRIPTION OF SYMBOLS 1... Lead frame conveyance path, 2... Lead frame, 3a-3t... Optical fiber end surface, 4a
, 4b... Optical fiber, 5a-5b... Other end face of optical fiber, 6a, 6b... Photo transistor, 7... Analog adder, 8... Operational amplifier circuit, 9... Analog-digital converter, 1
0... Control circuit, 11a, 11b, 11c... Silicon solar cell, 12... Lead frame position detection window, 13... One-dimensional image sensor, 14...
Interface circuit, 15...Motor control circuit.
Claims (1)
の端面が一直線状に密接する様に並べられた複数
本の光フアイバーと、この光フアイバーの上記端
面と反対側の端面に対向して配置された１個また
は複数個の光電変換素子と、この光電変換素子に
接続するアナログ加算器と、アナログ・デイジタ
ル変換器とを有することを特徴とするリードフレ
ーム位置検出機構。 A plurality of optical fibers are arranged so that their respective end surfaces are in close contact with each other in a straight line on the conveyance path of a lead frame for a semiconductor device, and one optical fiber is arranged facing the end surface of the optical fiber on the opposite side to the above-mentioned end surface. Alternatively, a lead frame position detection mechanism comprising a plurality of photoelectric conversion elements, an analog adder connected to the photoelectric conversion elements, and an analog-digital converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12203990U JPH0479426U (en) | 1990-11-21 | 1990-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12203990U JPH0479426U (en) | 1990-11-21 | 1990-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479426U true JPH0479426U (en) | 1992-07-10 |
Family
ID=31869844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12203990U Pending JPH0479426U (en) | 1990-11-21 | 1990-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479426U (en) |
-
1990
- 1990-11-21 JP JP12203990U patent/JPH0479426U/ja active Pending