JPH0460436U - - Google Patents
Info
- Publication number
- JPH0460436U JPH0460436U JP10433690U JP10433690U JPH0460436U JP H0460436 U JPH0460436 U JP H0460436U JP 10433690 U JP10433690 U JP 10433690U JP 10433690 U JP10433690 U JP 10433690U JP H0460436 U JPH0460436 U JP H0460436U
- Authority
- JP
- Japan
- Prior art keywords
- heat
- recording head
- diffusion layer
- generating resistor
- density
- 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
- 238000009792 diffusion process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
第１図は、本考案をサーマルインクジエツト記
録方式に適用した記録ヘツドの一実施例の概略を
説明するためのもので、同図Ａは、発熱部近傍の
断面図、同図Ｂは、発熱領域と熱拡散層との位置
関係の説明図、第２図は、本考案をサーマルスリ
ツトジエツト記録方式に適用した記録ヘツドの一
実施例の概略を説明するためのもので、同図Ａは
、発熱部近傍の断面図、同図Ｂは、発熱抵抗体と
熱拡散層との位置関係の説明図、第３図は、従来
のサーマルインクジエツト記録方式の記録ヘツド
の断面図、第４図は、従来のサーマルスリツトジ
エツト記録方式の記録ヘツドの概略を説明するた
めのもので、同図Ａは、発熱部近傍の断面図、同
図Ｂは、抵抗体層と静電誘導電極層のパターニン
グを説明するための平面図、第５図は、従来のサ
ーマルインクジエツト記録方式の記録ヘツドの下
地層を２層とした一例の概略を示す断面図である
。
１……基板、２……蓄熱層、３……熱拡散層、
４……発熱抵抗体層、５……電極層、５ａ……共
通電極、５ｂ……制御電極、５ｃ……制御電極、
５ｄ……帰路電極、６……絶縁保護層、７……金
属保護層、８……熱作用領域、９……静電誘導電
極層。
FIG. 1 is for explaining the outline of one embodiment of a recording head in which the present invention is applied to a thermal inkjet recording method. FIG. 2 is an explanatory diagram of the positional relationship between the regions and the heat diffusion layer, and is for explaining the outline of an embodiment of a recording head in which the present invention is applied to a thermal slit jet recording method. 3 is a sectional view of the vicinity of the heat generating part, FIG. 4 is an explanatory diagram of the positional relationship between the heat generating resistor and the heat diffusion layer, FIG. The figures are for explaining the outline of the recording head of the conventional thermal slit jet recording method. FIG. 5, which is a plan view for explaining layer patterning, is a cross-sectional view schematically showing an example of a conventional thermal inkjet recording type recording head in which the underlying layer is two layers. 1... Substrate, 2... Heat storage layer, 3... Heat diffusion layer,
4... Heat generating resistor layer, 5... Electrode layer, 5a... Common electrode, 5b... Control electrode, 5c... Control electrode,
5d...Return electrode, 6...Insulated protective layer, 7...Metal protective layer, 8...Heat action area, 9...Electrostatic induction electrode layer.
Claims (1)
滴を記録体に飛翔させて記録を行なうインクジエ
ツト記録ヘツドにおいて、前記発熱抵抗体が接す
る発熱抵抗体近傍領域のみに熱拡散層が設けられ
ていることを特徴とする熱制御型インクジエツト
記録ヘツド。 (2) 熱拡散層の密度、熱伝導率、比熱をそれぞ
れｐ１，ｋ１，ｃ１とし、熱拡散層の下にある下
地層の密度、熱伝導率、比熱をそれぞれｐ２，ｋ
２，ｃ２とするとき、 ｋ１ｐ２ｃ２＞ｋ２ｐ１ｃ１ の関係を満たすことを特徴とする請求項１に記載
の熱制御型インクジエツト記録ヘツド。[Scope of Claim for Utility Model Registration] (1) In an inkjet recording head that performs recording by heating ink with a heat-generating resistor and causing ink droplets to fly onto a recording medium, only the area near the heat-generating resistor in contact with the heat-generating resistor is provided. A thermally controlled inkjet recording head characterized by being provided with a thermal diffusion layer. (2) The density, thermal conductivity, and specific heat of the heat diffusion layer are p 1 , k 1 , and c 1 , respectively, and the density, thermal conductivity, and specific heat of the base layer below the heat diffusion layer are p 2 , k , respectively.
2. The thermally controlled ink jet recording head according to claim 1 , wherein the following relationship is satisfied: k 1 p 2 c 2 >k 2 p 1 c 1 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10433690U JPH0460436U (en) | 1990-10-02 | 1990-10-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10433690U JPH0460436U (en) | 1990-10-02 | 1990-10-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0460436U true JPH0460436U (en) | 1992-05-25 |
Family
ID=31849574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10433690U Pending JPH0460436U (en) | 1990-10-02 | 1990-10-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0460436U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55150386A (en) * | 1979-05-14 | 1980-11-22 | Ricoh Co Ltd | Thermosensitive recording head |
| JPS6253842A (en) * | 1985-09-02 | 1987-03-09 | Seiko Epson Corp | Ink jet recorder |
-
1990
- 1990-10-02 JP JP10433690U patent/JPH0460436U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55150386A (en) * | 1979-05-14 | 1980-11-22 | Ricoh Co Ltd | Thermosensitive recording head |
| JPS6253842A (en) * | 1985-09-02 | 1987-03-09 | Seiko Epson Corp | Ink jet recorder |