JPS6484752A - Manufacture of photocoupler - Google Patents
Manufacture of photocouplerInfo
- Publication number
- JPS6484752A JPS6484752A JP24452387A JP24452387A JPS6484752A JP S6484752 A JPS6484752 A JP S6484752A JP 24452387 A JP24452387 A JP 24452387A JP 24452387 A JP24452387 A JP 24452387A JP S6484752 A JPS6484752 A JP S6484752A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- plastic case
- manufacture
- light
- photocoupler
- 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
Abstract
PURPOSE:To manufacture a photocoupler stably and at a low cost by a method wherein it is sealed with a light-transmitting resin by a casting operation in order to prevent a thin burr from being produced caused by leakage of the resin from a plastic case. CONSTITUTION:Lead frames 3 where a semiconductor light-emitting device 1 and a semiconductor photodetector 2 are installed are built in a plastic case 4; a stopper 5 for resin outflow prevention use is installed into a groove of the case into which the lead frames 3 are put. A resin 6 is injected into the plastic case 4 in such a way that it covers the lead frames 3. After that, the resin 6 is hardened at a high temperature. In addition, if the stopper 5 for resin outflow prevention use and the plastic case 4 are removed, the internal resin is formed. After that, if the resin 6 is covered with a light-shielding resin, a photocoupler is completed. A methylpentane polymer or the like to be used to manufacture a lamp can be used as a material for the plastic case. In addition, as the resin for a casting operation, a material where a filler and silicone rubber for deterioration prevention use of a light-emitting device are mixed with a resin to be used to manufacture the lamp can be used.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24452387A JPS6484752A (en) | 1987-09-28 | 1987-09-28 | Manufacture of photocoupler |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24452387A JPS6484752A (en) | 1987-09-28 | 1987-09-28 | Manufacture of photocoupler |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6484752A true JPS6484752A (en) | 1989-03-30 |
Family
ID=17119952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24452387A Pending JPS6484752A (en) | 1987-09-28 | 1987-09-28 | Manufacture of photocoupler |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6484752A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0432546U (en) * | 1990-07-12 | 1992-03-17 | ||
JPH07122778A (en) * | 1993-10-26 | 1995-05-12 | Nec Corp | Semiconductor optically coupled device |
WO1997002596A1 (en) * | 1995-06-30 | 1997-01-23 | Kabushiki Kaisha Toshiba | Electronic component and method of production thereof |
-
1987
- 1987-09-28 JP JP24452387A patent/JPS6484752A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0432546U (en) * | 1990-07-12 | 1992-03-17 | ||
JPH07122778A (en) * | 1993-10-26 | 1995-05-12 | Nec Corp | Semiconductor optically coupled device |
WO1997002596A1 (en) * | 1995-06-30 | 1997-01-23 | Kabushiki Kaisha Toshiba | Electronic component and method of production thereof |
US6262513B1 (en) | 1995-06-30 | 2001-07-17 | Kabushiki Kaisha Toshiba | Electronic component and method of production thereof |
US6628043B2 (en) | 1995-06-30 | 2003-09-30 | Kabushiki Kaisha Toshiba | Electronic component and method of production thereof |
US6754950B2 (en) | 1995-06-30 | 2004-06-29 | Kabushiki Kaisha Toshiba | Electronic component and method of production thereof |
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