JPH02130340U - - Google Patents
Info
- Publication number
- JPH02130340U JPH02130340U JP4110389U JP4110389U JPH02130340U JP H02130340 U JPH02130340 U JP H02130340U JP 4110389 U JP4110389 U JP 4110389U JP 4110389 U JP4110389 U JP 4110389U JP H02130340 U JPH02130340 U JP H02130340U
- Authority
- JP
- Japan
- Prior art keywords
- polyimide layer
- thermal head
- bonding pad
- heating element
- utility
- 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
- 239000004642 Polyimide Substances 0.000 claims description 3
- 229920001721 polyimide Polymers 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000000919 ceramic Substances 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は一実施例を示す断面図、第２図は検討
中のサーマルヘツドを示す断面図である。 １１……セラミツク基板、１２……ポリイミド
層、１３……発熱抵抗体、１４，１５……電極、
１５ａ……ボンデイングパツド、１９……駆動Ｉ
Ｃ、２０ａ……接続ワイヤ。
中のサーマルヘツドを示す断面図である。 １１……セラミツク基板、１２……ポリイミド
層、１３……発熱抵抗体、１４，１５……電極、
１５ａ……ボンデイングパツド、１９……駆動Ｉ
Ｃ、２０ａ……接続ワイヤ。
Claims (1)
- 絶縁基板上にボンデイングパツド形成領域を除
いてポリイミド層が形成されており、そのポリイ
ミド層上に発熱素子が形成されているサーマルヘ
ツド。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4110389U JPH02130340U (ja) | 1989-04-06 | 1989-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4110389U JPH02130340U (ja) | 1989-04-06 | 1989-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130340U true JPH02130340U (ja) | 1990-10-26 |
Family
ID=31551481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4110389U Pending JPH02130340U (ja) | 1989-04-06 | 1989-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130340U (ja) |
-
1989
- 1989-04-06 JP JP4110389U patent/JPH02130340U/ja active Pending