JPH0170541U - - Google Patents
Info
- Publication number
- JPH0170541U JPH0170541U JP1987167708U JP16770887U JPH0170541U JP H0170541 U JPH0170541 U JP H0170541U JP 1987167708 U JP1987167708 U JP 1987167708U JP 16770887 U JP16770887 U JP 16770887U JP H0170541 U JPH0170541 U JP H0170541U
- Authority
- JP
- Japan
- Prior art keywords
- layer
- heating resistor
- metal layer
- common electrode
- undercoat
- 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
- 239000000758 substrate Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims 3
- 239000004020 conductor Substances 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
第１図は本考案を実施したインクジエツトヘツ
ド基板の平面図、第２図は同第１図中の―線
に沿つた断面図、第３図は従来のインクジエツト
ヘツドの要部平面図、第４図は同第３図中の―
線に沿つた断面図、第５図は改良したインクジ
エツトヘツド基板の平面図、第６図は同要部断面
図、第７図はメタル層を設けたインクジエツトヘ
ツド基板の要部断面図である。
３０……アルミナ基板、３１……部分グレーズ
、３２……メタル層、３３……アンダーコート層
、３４ａ……共通電極、３４ｂ……選択電極、３
５……発熱抵抗体層、３６……発熱部、３７……
コンタクトホール、３８……端子部。
FIG. 1 is a plan view of an ink jet head substrate embodying the present invention, FIG. 2 is a sectional view taken along the line - in FIG. 1, and FIG. 3 is a plan view of the main parts of a conventional ink jet head. Figure 4 is the same figure in Figure 3.
5 is a plan view of the improved ink jet head substrate, FIG. 6 is a sectional view of the same essential parts, and FIG. 7 is a sectional view of the essential parts of the ink jet head substrate provided with a metal layer. be. 30... Alumina substrate, 31... Partial glaze, 32... Metal layer, 33... Undercoat layer, 34a... Common electrode, 34b... Selective electrode, 3
5... Heat generating resistor layer, 36... Heat generating section, 37...
Contact hole, 38...terminal section.
Claims (1)
アンダーコート層を形成し、そのアンダーコート
層上に発熱抵抗体層を形成し、その発熱抵抗体層
上に共通電極、選択電極からなる導体層を形成し
、かつ、その導体層のうち共通電極を前記発熱抵
抗体層及びアンダーコート層に設けられたコンタ
クトホールを通して前記メタル層と導通させてあ
ることを特徴とするインクジエツトヘツド基板の
構造。 A metal layer is formed on a substrate, an undercoat layer is formed on the metal layer, a heating resistor layer is formed on the undercoat layer, and a conductor consisting of a common electrode and a selection electrode is formed on the heating resistor layer. A structure of an inkjet head substrate characterized in that a common electrode of the conductive layer is electrically connected to the metal layer through a contact hole provided in the heating resistor layer and the undercoat layer. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167708U JPH0628272Y2 (en) | 1987-10-30 | 1987-10-30 | Structure of inkjet head substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987167708U JPH0628272Y2 (en) | 1987-10-30 | 1987-10-30 | Structure of inkjet head substrate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0170541U true JPH0170541U (en) | 1989-05-11 |
| JPH0628272Y2 JPH0628272Y2 (en) | 1994-08-03 |
Family
ID=31456245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987167708U Expired - Lifetime JPH0628272Y2 (en) | 1987-10-30 | 1987-10-30 | Structure of inkjet head substrate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0628272Y2 (en) |
-
1987
- 1987-10-30 JP JP1987167708U patent/JPH0628272Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0628272Y2 (en) | 1994-08-03 |