JPH0340333B2 - - Google Patents
Info
- Publication number
- JPH0340333B2 JPH0340333B2 JP58011395A JP1139583A JPH0340333B2 JP H0340333 B2 JPH0340333 B2 JP H0340333B2 JP 58011395 A JP58011395 A JP 58011395A JP 1139583 A JP1139583 A JP 1139583A JP H0340333 B2 JPH0340333 B2 JP H0340333B2
- Authority
- JP
- Japan
- Prior art keywords
- hole
- light
- printed board
- shielding
- conductive layer
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N21/95692—Patterns showing hole parts, e.g. honeycomb filtering structures
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1139583A JPS59150328A (ja) | 1983-01-28 | 1983-01-28 | スル−ホ−ル検査装置 |
US06/554,543 US4560273A (en) | 1982-11-30 | 1983-11-23 | Method and apparatus for inspecting plated through holes in printed circuit boards |
EP83307291A EP0111404B1 (en) | 1982-11-30 | 1983-11-30 | Method and apparatus for inspecting plated through holes in printed circuit boards |
DE8383307291T DE3377527D1 (en) | 1982-11-30 | 1983-11-30 | Method and apparatus for inspecting plated through holes in printed circuit boards |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1139583A JPS59150328A (ja) | 1983-01-28 | 1983-01-28 | スル−ホ−ル検査装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59150328A JPS59150328A (ja) | 1984-08-28 |
JPH0340333B2 true JPH0340333B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-06-18 |
Family
ID=11776818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1139583A Granted JPS59150328A (ja) | 1982-11-30 | 1983-01-28 | スル−ホ−ル検査装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59150328A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101482869B1 (ko) * | 2013-07-25 | 2015-01-16 | (주)토탈솔루션 | 홀 검사장치 |
TW202200995A (zh) * | 2020-06-24 | 2022-01-01 | 由田新技股份有限公司 | 孔洞檢測系統以及孔洞檢測方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55142254A (en) * | 1979-04-25 | 1980-11-06 | Hitachi Ltd | Inspecting method for pattern of printed wiring board |
-
1983
- 1983-01-28 JP JP1139583A patent/JPS59150328A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59150328A (ja) | 1984-08-28 |