JPH02101555U - - Google Patents
Info
- Publication number
- JPH02101555U JPH02101555U JP848789U JP848789U JPH02101555U JP H02101555 U JPH02101555 U JP H02101555U JP 848789 U JP848789 U JP 848789U JP 848789 U JP848789 U JP 848789U JP H02101555 U JPH02101555 U JP H02101555U
- Authority
- JP
- Japan
- Prior art keywords
- light
- resin body
- transmitting resin
- receiving side
- receiving
- 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
- 229920005989 resin Polymers 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 229920001187 thermosetting polymer Polymers 0.000 claims description 3
- 229920005992 thermoplastic resin Polymers 0.000 claims description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図は本考案第一実施例の光結合装置の縦断
側面図、第２図は同じくその斜視図、第３図は第
２図のＡ−Ａ横断平面図、第４図および第５図は
同じくその透光樹脂体を示す斜視図、第６図は同
じくその透光樹脂体を多連式で製造する場合の斜
視図、第７図は同じくそのケースを多連式で製造
する場合の斜視図、第８図は二次成形時の状態を
示す断面図、第９図は透光性樹脂体の別の変形例
を示す斜視図、第１０図は本考案第二実施例の光
結合装置において透光性樹脂体の斜面図、第１１
図は光結合装置の斜面図、第１２図は従来の光結
合装置の平面図、第１３図は同じくそのＢ−Ｂ縦
断正面図、第１４図は同じくそのＣ−Ｃ縦断側面
図、第１５図は同じくその縦断側面図、第１６図
は同じくその透光樹脂体の平面図、第１７図は同
じくその正面図、第１８図及び第１９図は夫々二
次成形時の状態を示す断面図である。
２０，２４……リードフレーム、２１……発光
素子、２２……熱硬化性樹脂、２３，２６……透
光樹脂体、２５……受光素子、２７……熱可塑性
樹脂、２８……ケース、３２，３３……レンズ、
３５，３６……スリツト、５２……凹部。
FIG. 1 is a vertical sectional side view of the optical coupling device according to the first embodiment of the present invention, FIG. 2 is a perspective view thereof, FIG. 3 is a cross-sectional plan view taken along line A-A in FIG. 2, and FIGS. 4 and 5. 6 is a perspective view of the translucent resin body, FIG. 6 is a perspective view of the translucent resin body produced in multiple series, and FIG. 7 is a perspective view of the case produced in multiple series. A perspective view, FIG. 8 is a sectional view showing the state during secondary molding, FIG. 9 is a perspective view showing another modification of the translucent resin body, and FIG. 10 is an optical coupling of the second embodiment of the present invention. Oblique view of the translucent resin body in the device, No. 11
12 is a plan view of a conventional optical coupling device, FIG. 13 is a BB longitudinal sectional front view, FIG. 14 is a C-C longitudinal sectional side view, and 15. 16 is a plan view of the translucent resin body, FIG. 17 is a front view thereof, and FIGS. 18 and 19 are sectional views showing the state at the time of secondary molding. It is. 20, 24... Lead frame, 21... Light emitting element, 22... Thermosetting resin, 23, 26... Transparent resin body, 25... Light receiving element, 27... Thermoplastic resin, 28... Case, 32, 33...lens,
35, 36...slit, 52...recess.
Claims (1)
性の熱硬化性樹脂で被覆形成された発光側透光樹
脂体と、前記リードフレームとは別のリードフレ
ームに搭載された受光素子を前記熱硬化性樹脂で
被覆形成された受光側透光樹脂体と、前記発光側
透光樹脂体および受光側透光樹脂体を所定間隔で
対向並置し透光樹脂体を遮光性の熱可塑性樹脂で
一体的に被覆形成されたケースとから構成され、
前記透光樹脂体の発光側面または（および）受光
側面に各素子に対応するレンズが形成され、前記
ケースのレンズ対応位置にスリツトが形成された
ことを特徴とする光結合装置。 ２ 請求項１記載のケースは、発光側透光樹脂体
を被覆する発光側遮光部と、受光側遮光樹脂体を
被覆する受光側遮光部と、両遮光部を被検出物の
通過路を除いて連結する連結部とから構成され、
請求項１記載のスリツトは、その長手方向の両側
がケースの端面で開放するよう形成されたことを
特徴とする光結合装置。 ３ 請求項１記載の透光樹脂体の受光側面または
（および）受光側面に凹部が形成され、該凹部の
底面に球面レンズが形成されたことを特徴とする
光結合装置。[Claims for Utility Model Registration] 1. A light-emitting side transparent resin body formed by covering a light-emitting element mounted on a lead frame with a transparent thermosetting resin, and mounting on a lead frame different from the lead frame. The light-receiving side light-transmitting resin body formed by covering the light-receiving element with the thermosetting resin, the light-emitting side light-transmitting resin body, and the light-receiving side light-transmitting resin body are placed facing each other at a predetermined interval, and the light-transmitting resin body is shielded from light. It consists of a case integrally coated with thermoplastic resin,
An optical coupling device characterized in that a lens corresponding to each element is formed on a light emitting side surface or (and) a light receiving side surface of the light-transmitting resin body, and a slit is formed at a position corresponding to the lens of the case. 2. The case described in claim 1 includes a light-emitting side light-shielding part that covers the light-emitting side light-transmitting resin body, a light-receiving-side light-shielding part that covers the light-receiving side light-shielding resin body, and both light-shielding parts excluding the passage of the object to be detected. and a connecting part that connects the
2. The optical coupling device according to claim 1, wherein the slit is formed so that both longitudinal sides of the slit are open at an end surface of the case. 3. An optical coupling device characterized in that a recess is formed on the light-receiving side surface or (and) the light-receiving side surface of the light-transmitting resin body according to claim 1, and a spherical lens is formed on the bottom surface of the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP848789U JPH02101555U (en) | 1989-01-27 | 1989-01-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP848789U JPH02101555U (en) | 1989-01-27 | 1989-01-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02101555U true JPH02101555U (en) | 1990-08-13 |
Family
ID=31214407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP848789U Pending JPH02101555U (en) | 1989-01-27 | 1989-01-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02101555U (en) |
-
1989
- 1989-01-27 JP JP848789U patent/JPH02101555U/ja active Pending