JPS55130149A - Semiconductor device - Google Patents
Semiconductor deviceInfo
- Publication number
- JPS55130149A JPS55130149A JP3687779A JP3687779A JPS55130149A JP S55130149 A JPS55130149 A JP S55130149A JP 3687779 A JP3687779 A JP 3687779A JP 3687779 A JP3687779 A JP 3687779A JP S55130149 A JPS55130149 A JP S55130149A
- Authority
- JP
- Japan
- Prior art keywords
- alpha ray
- chip
- layer
- recess
- fabricating
- 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
Classifications
-
- H10W42/25—
-
- H10W70/682—
-
- H10W72/01515—
-
- H10W72/075—
-
- H10W72/07551—
-
- H10W72/50—
-
- H10W90/756—
Landscapes
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Formation Of Insulating Films (AREA)
- Semiconductor Memories (AREA)
Abstract
PURPOSE:To reduce the thickness of a resin layer and simplify the steps of fabricating a semiconductor device by coating an alpha ray shield resin on the active region of a semiconductor chip and forming an alpha ray shield on the inner surface of a recess of a cap of a package. CONSTITUTION:An active region feasible to erroneously operate by an alpha ray irradiation is formed normally in a depth of approx. 4-5mum of a semiconductor chip 14. An alpha ray shield resin layer 15 made of polyimide resin to coat the active region of the surface of the chip 14 is coated on the chip 14. The thickness of the layer 16 may be 30-50mum. An alpha ray shield 20 made of high purity such as higher than 99.999% is secured through an adhesive layer 19 to coat the entire inner surface of the recess 17a of a ceramic insulating cap 17 facing with the chip 14 on the recess 17a. Since the shield 20 is thus formed, the thickness of the layer 16 may be reduced to a degree readily fabricating a semiconductor device and the steps of fabricating the device may be simplified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3687779A JPS55130149A (en) | 1979-03-30 | 1979-03-30 | Semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3687779A JPS55130149A (en) | 1979-03-30 | 1979-03-30 | Semiconductor device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55130149A true JPS55130149A (en) | 1980-10-08 |
| JPS6136709B2 JPS6136709B2 (en) | 1986-08-20 |
Family
ID=12482004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3687779A Granted JPS55130149A (en) | 1979-03-30 | 1979-03-30 | Semiconductor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55130149A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61107119A (en) * | 1984-10-30 | 1986-05-26 | Hamamatsu Photonics Kk | Silicon photocell using ceramic container |
| US4630095A (en) * | 1980-03-31 | 1986-12-16 | Vlsi Technology Research Association | Packaged semiconductor device structure including getter material for decreasing gas from a protective organic covering |
| US4727221A (en) * | 1985-11-15 | 1988-02-23 | Nec Corporation | Semiconductor memory device |
| US4761335A (en) * | 1985-03-07 | 1988-08-02 | National Starch And Chemical Corporation | Alpha-particle protection of semiconductor devices |
| US5264726A (en) * | 1989-07-21 | 1993-11-23 | Nec Corporation | Chip-carrier |
-
1979
- 1979-03-30 JP JP3687779A patent/JPS55130149A/en active Granted
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4630095A (en) * | 1980-03-31 | 1986-12-16 | Vlsi Technology Research Association | Packaged semiconductor device structure including getter material for decreasing gas from a protective organic covering |
| JPS61107119A (en) * | 1984-10-30 | 1986-05-26 | Hamamatsu Photonics Kk | Silicon photocell using ceramic container |
| US4761335A (en) * | 1985-03-07 | 1988-08-02 | National Starch And Chemical Corporation | Alpha-particle protection of semiconductor devices |
| US4727221A (en) * | 1985-11-15 | 1988-02-23 | Nec Corporation | Semiconductor memory device |
| US5264726A (en) * | 1989-07-21 | 1993-11-23 | Nec Corporation | Chip-carrier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6136709B2 (en) | 1986-08-20 |
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