JPS5575258A - Substrate circuit device - Google Patents
Substrate circuit deviceInfo
- Publication number
- JPS5575258A JPS5575258A JP14907578A JP14907578A JPS5575258A JP S5575258 A JPS5575258 A JP S5575258A JP 14907578 A JP14907578 A JP 14907578A JP 14907578 A JP14907578 A JP 14907578A JP S5575258 A JPS5575258 A JP S5575258A
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- circuit parts
- ceramic
- board
- electroconductive
- 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
- Parts Printed On Printed Circuit Boards (AREA)
Abstract
PURPOSE: To protect circuit parts from heat when soldering is effected by immersion, by providing a laminated pattern of an electroconductive and an insulating materials on the reverse side of a ceramic substrate and laying the leads of the circuit parts through the substrate from the side of the laminated pattern.
CONSTITUTION: Electroconductive patterns 41, 42 made from a paste of molybdenum or the like and insulating ceramic layers 51, 52 are alternately provided on a ceramic board 1 which has through holes 2, 3. Electrodes 6 are made from a silver paste in surface holes 5a 5d of the insulating layer 52 and connected to the prescribed electroconductive patterns 41, 42. A resistor 7 and a semiconductor package 9 are electronconductively bonded to the electrodes 6. The lead terminals 10a of a coil 10 are inserted through the ceramic board from the side of the insulating layer 52 and soldered at 14 to the electrodes 6 on the board 1 by immersion. The circuit parts are thus protected from heat.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14907578A JPS5575258A (en) | 1978-12-04 | 1978-12-04 | Substrate circuit device |
DE19792915240 DE2915240A1 (en) | 1978-06-28 | 1979-04-14 | PRINTED CIRCUIT |
US06/433,729 US4437140A (en) | 1978-06-28 | 1982-10-12 | Printed circuit device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14907578A JPS5575258A (en) | 1978-12-04 | 1978-12-04 | Substrate circuit device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5575258A true JPS5575258A (en) | 1980-06-06 |
Family
ID=15467136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14907578A Pending JPS5575258A (en) | 1978-06-28 | 1978-12-04 | Substrate circuit device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5575258A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5044468A (en) * | 1973-08-24 | 1975-04-21 |
-
1978
- 1978-12-04 JP JP14907578A patent/JPS5575258A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5044468A (en) * | 1973-08-24 | 1975-04-21 |
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