JPH0464134U - - Google Patents
Info
- Publication number
- JPH0464134U JPH0464134U JP10721790U JP10721790U JPH0464134U JP H0464134 U JPH0464134 U JP H0464134U JP 10721790 U JP10721790 U JP 10721790U JP 10721790 U JP10721790 U JP 10721790U JP H0464134 U JPH0464134 U JP H0464134U
- Authority
- JP
- Japan
- Prior art keywords
- layer
- photosensitive resin
- resin layer
- resistor layer
- heating resistor
- 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
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
第１図は、本考案が適用されるサーマルインク
ジエツトヘツドの一例の要部の断面図、第２図は
、第１図のサーマルインクジエツトヘツドの作製
工程の一例の説明図、第３図、第４図は、本考案
の実施例を説明するための発熱抵抗体層の平面図
、第５図は、本考案が適用される感光性樹脂層の
下端部近傍の断面図、第６図、第７図は、従来の
サーマルインクジエツトヘツドにおける発熱抵抗
体層の近傍の断面図、第８図、第９図は、従来例
における発熱抵抗体の端部の拡大断面図、第１０
図は、抵抗体保護層と電極保護層とを兼用した従
来のサーマルインクジエツトヘツドの断面図、第
１１図は、実施例および従来例のヘツドについて
、長期駆動試験を行なつた結果のワイブルチヤー
トである。
１……チヤンネル基板、２……ヒーター基板、
３……発熱抵抗体層、４ａ……個別電極、４ｂ…
…共通電極、５……感光性樹脂層、６，７……抵
抗体保護層、８……電極保護層、９……蓄熱層、
１０……インク流路、１１……インク吐出口、１
２……感光性樹脂層の開口領域、１３……電極と
のコンタクト領域、１４……低抵抗領域、１５…
…ヒーターのアクテイブ領域。
FIG. 1 is a sectional view of essential parts of an example of a thermal ink jet head to which the present invention is applied, FIG. 2 is an explanatory diagram of an example of the manufacturing process of the thermal ink jet head of FIG. 1, and FIG. FIG. 4 is a plan view of a heating resistor layer for explaining an embodiment of the present invention, FIG. 5 is a cross-sectional view of the vicinity of the lower end of the photosensitive resin layer to which the present invention is applied, and FIG. FIG. 7 is a sectional view of the vicinity of the heating resistor layer in a conventional thermal ink jet head, FIGS. 8 and 9 are enlarged sectional views of the end of the heating resistor in the conventional example, and FIG.
The figure is a cross-sectional view of a conventional thermal ink jet head that serves as both a resistor protection layer and an electrode protection layer, and FIG. It is. 1... Channel board, 2... Heater board,
3...Heating resistor layer, 4a...Individual electrode, 4b...
... common electrode, 5 ... photosensitive resin layer, 6, 7 ... resistor protection layer, 8 ... electrode protection layer, 9 ... heat storage layer,
10... Ink channel, 11... Ink discharge port, 1
2... Opening area of photosensitive resin layer, 13... Contact area with electrode, 14... Low resistance area, 15...
...the active area of the heater.
Claims (1)
通した液流路と、該液流路に設けられた発熱抵抗
体層と、該発熱抵抗体層に接続される電極層と、
前記発熱抵抗体層と前記電極層とが重合される接
続部の少なくとも一端部を覆う感光性樹脂層とを
有するサーマルインクジエツトヘツドにおいて、
前記発熱抵抗体層の前記感光性樹脂層で覆われた
領域は、前記感光性樹脂層で覆われていない領域
よりも抵抗値が低くなるようにしたことを特徴と
するサーマルインクジエツトヘツド。 a spout for spouting liquid, a liquid flow path communicating with the jet nozzle, a heat generating resistor layer provided in the liquid flow path, an electrode layer connected to the heat generating resistor layer;
A thermal ink jet head comprising a photosensitive resin layer covering at least one end of a connection portion where the heating resistor layer and the electrode layer are polymerized,
A thermal inkjet head, wherein a region of the heating resistor layer covered with the photosensitive resin layer has a resistance value lower than a region not covered with the photosensitive resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990107217U JP2539795Y2 (en) | 1990-10-12 | 1990-10-12 | Thermal ink jet head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990107217U JP2539795Y2 (en) | 1990-10-12 | 1990-10-12 | Thermal ink jet head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0464134U true JPH0464134U (en) | 1992-06-01 |
| JP2539795Y2 JP2539795Y2 (en) | 1997-06-25 |
Family
ID=31853623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990107217U Expired - Lifetime JP2539795Y2 (en) | 1990-10-12 | 1990-10-12 | Thermal ink jet head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539795Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01148560A (en) * | 1987-11-02 | 1989-06-09 | Xerox Corp | Improved ink jet printing head |
| JPH0210034U (en) * | 1988-06-24 | 1990-01-23 |
-
1990
- 1990-10-12 JP JP1990107217U patent/JP2539795Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01148560A (en) * | 1987-11-02 | 1989-06-09 | Xerox Corp | Improved ink jet printing head |
| JPH0210034U (en) * | 1988-06-24 | 1990-01-23 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2539795Y2 (en) | 1997-06-25 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |