JPH01104569U - - Google Patents
Info
- Publication number
- JPH01104569U JPH01104569U JP20008387U JP20008387U JPH01104569U JP H01104569 U JPH01104569 U JP H01104569U JP 20008387 U JP20008387 U JP 20008387U JP 20008387 U JP20008387 U JP 20008387U JP H01104569 U JPH01104569 U JP H01104569U
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- circuit board
- voltage
- operating state
- detection means
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 1
- 239000010409 thin film Substances 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
- Tests Of Electronic Circuits (AREA)
Description
第１図は本考案の一実施例である回路基板の検
査装置の構成を示すブロツク図である。
１……Ｉ／Ｖ変換回路、２……増幅回路、３…
…サンプルホールド回路、４……Ａ／Ｄコンバー
タ、５……検知部、６……表示部。
FIG. 1 is a block diagram showing the configuration of a circuit board inspection apparatus which is an embodiment of the present invention. 1...I/V conversion circuit, 2...Amplification circuit, 3...
...sample hold circuit, 4...A/D converter, 5...detection section, 6...display section.
Claims (1)
する回路基板を検査する装置において、前記各画
素の各所定の動作状態における出力電流を検出し
、この検出した電流を電圧に変換する第一の変換
手段と、前記電圧をデイジタル信号に変換する第
二の変換手段と、前記各画素の各動作状態を検出
する検知手段と、この検知手段により検知された
結果を表示する表示手段とを備えたことを特徴と
する回路基板の検査装置。 In an apparatus for inspecting a circuit board having a plurality of pixels formed of a semiconductor thin film, a first conversion step detects an output current of each pixel in each predetermined operating state and converts the detected current into a voltage. a second conversion means for converting the voltage into a digital signal; a detection means for detecting each operating state of each pixel; and a display means for displaying the results detected by the detection means. A circuit board inspection device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20008387U JPH01104569U (en) | 1987-12-30 | 1987-12-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20008387U JPH01104569U (en) | 1987-12-30 | 1987-12-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01104569U true JPH01104569U (en) | 1989-07-14 |
Family
ID=31490509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20008387U Pending JPH01104569U (en) | 1987-12-30 | 1987-12-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01104569U (en) |
-
1987
- 1987-12-30 JP JP20008387U patent/JPH01104569U/ja active Pending
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