JPS59176978U - Light emitting device inspection equipment - Google Patents
Light emitting device inspection equipmentInfo
- Publication number
- JPS59176978U JPS59176978U JP1983071229U JP7122983U JPS59176978U JP S59176978 U JPS59176978 U JP S59176978U JP 1983071229 U JP1983071229 U JP 1983071229U JP 7122983 U JP7122983 U JP 7122983U JP S59176978 U JPS59176978 U JP S59176978U
- Authority
- JP
- Japan
- Prior art keywords
- light emitting
- emitting device
- device inspection
- inspection equipment
- emitting element
- 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
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す回路構成図で、１は被
検査発光素子、２は受光センサ、３は定電流パルス発生
回路、４はセンスアンプ、５はタイミング信号発生回路
、６はサンプルホールド回路、７はＡＤ変換器を示す。
第２図Ａ−Ｅは第１図の回路の各部動作波形を示すもの
で、第１図の符号Ａ〜Ｅと第２図の各信号符号Ａ−Ｅは
対応している。FIG. 1 is a circuit configuration diagram showing an embodiment of the present invention, in which 1 is a light emitting element to be tested, 2 is a light receiving sensor, 3 is a constant current pulse generation circuit, 4 is a sense amplifier, 5 is a timing signal generation circuit, 6 indicates a sample hold circuit, and 7 indicates an AD converter. 2A to 2E show operating waveforms of each part of the circuit in FIG. 1, and the symbols A to E in FIG. 1 correspond to the respective signal symbols A to E in FIG. 2.
Claims (1)
駆動する定電流パルス発生回路と、前記発光素子が発生
させる光を受光し増幅するセンスアンプ部と、前記セン
スアンプ部の出力を規定のタイミングでサンプルホール
ドした後アナログ・ディジタル変換を行うことを特徴と
する発光素子検査装置。a constant current pulse generation circuit that drives a light emitting element under test with constant current pulses in response to a current setting signal; a sense amplifier section that receives and amplifies the light generated by the light emitting element; A light emitting device inspection device characterized by performing analog-to-digital conversion after sample-holding at timing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983071229U JPS59176978U (en) | 1983-05-13 | 1983-05-13 | Light emitting device inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1983071229U JPS59176978U (en) | 1983-05-13 | 1983-05-13 | Light emitting device inspection equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59176978U true JPS59176978U (en) | 1984-11-27 |
Family
ID=30201378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1983071229U Pending JPS59176978U (en) | 1983-05-13 | 1983-05-13 | Light emitting device inspection equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176978U (en) |
-
1983
- 1983-05-13 JP JP1983071229U patent/JPS59176978U/en active Pending
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