JPS6418357A - Contact type image sensor - Google Patents
Contact type image sensorInfo
- Publication number
- JPS6418357A JPS6418357A JP62173764A JP17376487A JPS6418357A JP S6418357 A JPS6418357 A JP S6418357A JP 62173764 A JP62173764 A JP 62173764A JP 17376487 A JP17376487 A JP 17376487A JP S6418357 A JPS6418357 A JP S6418357A
- Authority
- JP
- Japan
- Prior art keywords
- image sensor
- thermal expansion
- board
- expansion rate
- contact type
- 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
- Solid State Image Pick-Up Elements (AREA)
- Facsimile Heads (AREA)
- Die Bonding (AREA)
Abstract
PURPOSE:To obtain a contact type image sensor with low cost and high reliability while the temperature change effect is hardly given, by selecting the thermal expansion rate of a circuit board nearly the same as that of an image sensor chip fixed to the board. CONSTITUTION:A long circuit board 11 is a conjugated body of a ceramic porrous substance whose thermal expansion rate is 3.8X10<-6>/ deg.C and an epoxy resin, has excellent electric insulation and the wiring pattern is applied to the upper face 11a. The image sensor chip 12 made of the silicon whose thermal expansion rate is nearly the same and having the size of 70X0.6mm<2>, has plural light receiving parts 12a arranged in an array. Three chips 12 are arranged in a line and fixed by using a die bond on the upper face 11a of the board 11 to constitute the contact image sensor 10. Thus, the distortion caused between the board 11 and the chip 12 due to thermal expansion/contraction attended with the temperature change is decreased. Thus, reliability is improved and the number of manufacturing processes is reduced to attain the low cost.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62173764A JPS6418357A (en) | 1987-07-14 | 1987-07-14 | Contact type image sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62173764A JPS6418357A (en) | 1987-07-14 | 1987-07-14 | Contact type image sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6418357A true JPS6418357A (en) | 1989-01-23 |
Family
ID=15966711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62173764A Pending JPS6418357A (en) | 1987-07-14 | 1987-07-14 | Contact type image sensor |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6418357A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4892141A (en) * | 1986-07-28 | 1990-01-09 | The Furukawa Electric Co., Ltd. | Fin of heat exchanger and method of making it |
-
1987
- 1987-07-14 JP JP62173764A patent/JPS6418357A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4892141A (en) * | 1986-07-28 | 1990-01-09 | The Furukawa Electric Co., Ltd. | Fin of heat exchanger and method of making it |
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