JPS55139688A - Packaging method for magnetic bubble memory chip using tape carrier - Google Patents
Packaging method for magnetic bubble memory chip using tape carrierInfo
- Publication number
- JPS55139688A JPS55139688A JP4531879A JP4531879A JPS55139688A JP S55139688 A JPS55139688 A JP S55139688A JP 4531879 A JP4531879 A JP 4531879A JP 4531879 A JP4531879 A JP 4531879A JP S55139688 A JPS55139688 A JP S55139688A
- Authority
- JP
- Japan
- Prior art keywords
- chip
- memory chip
- magnetic
- fitted
- center
- 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.)
- Granted
Links
Abstract
PURPOSE: To package the magnetic film surface of a magnetic bubble memory chip in the center of the height of a revolving magnetic field generating coil with accuracy by fitting the chip with a fitted beam lead in a fixed mold and by providing the coil after molding them with resin.
CONSTITUTION: One terminal of beam lead 6 on tape carrier 7 is connected by thermal welding to a terminal on memory chip 14, which is fitted in the center of concave parts 4 and 5 of metal pattern 1. Next, after upper mold 2 and lower mold 3 are butted together, piston 13 is pressed against the bottom part of chip 14 and a molding material such as resin is injected from the opening part of metal pattern 1. Outside of the molded chip, a revolving magnetic field generating coil of accurate size is fitted. The distance from the bottom surface of concave part 4 of upper mold 2 to the top surface of cushion material 10 on projection part 11, i.e., magnetic film surface 15 is accurately regulated, so that magnetic surface 15 of the chip can be packaged in the center of the height of the coil with accuracy.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4531879A JPS55139688A (en) | 1979-04-16 | 1979-04-16 | Packaging method for magnetic bubble memory chip using tape carrier |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4531879A JPS55139688A (en) | 1979-04-16 | 1979-04-16 | Packaging method for magnetic bubble memory chip using tape carrier |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55139688A true JPS55139688A (en) | 1980-10-31 |
JPS6214915B2 JPS6214915B2 (en) | 1987-04-04 |
Family
ID=12715948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4531879A Granted JPS55139688A (en) | 1979-04-16 | 1979-04-16 | Packaging method for magnetic bubble memory chip using tape carrier |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55139688A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50133061U (en) * | 1974-04-18 | 1975-11-01 | ||
JPS52156561U (en) * | 1976-05-21 | 1977-11-28 |
-
1979
- 1979-04-16 JP JP4531879A patent/JPS55139688A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50133061U (en) * | 1974-04-18 | 1975-11-01 | ||
JPS52156561U (en) * | 1976-05-21 | 1977-11-28 |
Also Published As
Publication number | Publication date |
---|---|
JPS6214915B2 (en) | 1987-04-04 |
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