JPH01229657A - Edge type thermal head and its manufacture - Google Patents
Edge type thermal head and its manufactureInfo
- Publication number
- JPH01229657A JPH01229657A JP5670488A JP5670488A JPH01229657A JP H01229657 A JPH01229657 A JP H01229657A JP 5670488 A JP5670488 A JP 5670488A JP 5670488 A JP5670488 A JP 5670488A JP H01229657 A JPH01229657 A JP H01229657A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- heating element
- common electrode
- thermal head
- glaze layer
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 13
- 239000011810 insulating material Substances 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 5
- 239000011241 protective layer Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000007772 electrode material Substances 0.000 claims description 3
- 238000000206 photolithography Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims 2
- 238000005299 abrasion Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 239000011347 resin Substances 0.000 abstract description 5
- 229920005989 resin Polymers 0.000 abstract description 5
- 238000007639 printing Methods 0.000 abstract description 3
- 229910004479 Ta2N Inorganic materials 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 2
- 206010047700 Vomiting Diseases 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 230000008673 vomiting Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/335—Structure of thermal heads
Landscapes
- Electronic Switches (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はファクシミリやワープロ等の記録装置に用いら
れるサーマルヘッド及びその製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a thermal head used in recording devices such as facsimiles and word processors, and a method for manufacturing the same.
従来第３図に示すように、基板１上の端部かも離れ九部
分にグレーズ層２七形成し、このグレーズ層２上に発熱
ドツト部３を形成したサーマルヘッドが知られている。Conventionally, as shown in FIG. 3, a thermal head is known in which a glaze layer 27 is formed on a substrate 1 at nine far ends thereof, and a heating dot portion 3 is formed on this glaze layer 2.
このサーマルヘア、ドは発熱部３が基板１の端部から離
れて形成でれている之め（第３図、 （１） ）熱転写
インクリボン９の用紙からの引き剥し角度（θ０）が犬
きくとれないことから、溶融粘度の低いワックス系の熱
転写インクリボン９を用いる必要があった。そしてこの
ような場合、表面平滑度が１００秒以上の用紙には鮮明
に印字することができるが、平滑度が２０〜６０秒の普
通紙には鮮明な印字ができず、更に欧米で用いられる平
滑度が１０秒以下のラフペーパーには印字すらも困難な
ものでめつ几。This thermal hair is caused by the fact that the heat generating part 3 is formed apart from the edge of the substrate 1 (Fig. 3, (1)). The peeling angle (θ0) of the thermal transfer ink ribbon 9 from the paper is Since the ink could not be clearly removed, it was necessary to use a wax-based thermal transfer ink ribbon 9 with a low melt viscosity. In such cases, it is possible to print clearly on paper with a surface smoothness of 100 seconds or more, but it is not possible to print clearly on plain paper with a surface smoothness of 20 to 60 seconds. Rough paper with a smoothness of 10 seconds or less is difficult to print on.
そして、このような問題点上解消するため〈従来のサー
マルヘッドの発熱ドント部が基板の端部に位置する工う
に基板？切断・研磨して、発熱ドツト部と用紙との圧接
力の集中効果とインクリボン引き剥し角度？大きくとる
こと更に樹脂系の熱転写インクリボンと？組み合わせる
ことによってラフペーパーに対しても比較的鮮明な印字
金得られるようにしている。In order to solve these problems, we decided to use a conventional thermal head whose heating dont is located at the edge of the board. After cutting and polishing, what is the concentrated effect of pressure contact between the heating dot part and the paper, and the angle at which the ink ribbon is peeled off? What's more, a resin-based thermal transfer ink ribbon? By combining them, it is possible to obtain relatively clear printing even on rough paper.
しかしながら、上述の工うに従来のサーマルヘッドの構
造で単にエツジタイプとしｆｃ場合、発熱部上はさんで
信号電極と共通電極とが配置てれている几め、共通電極
の幅寸法が著しくせまくなり特に全ドツト通電する場合
、共通電極の抵抗値が大きくなっている沈め、電圧降下
を起こし、発熱部の発熱量が著しく低下し友り、また電
流容量不足に：り、焼損する等の不具合がろつ几。However, when the conventional thermal head structure is simply an edge type fc as described above, the width of the common electrode becomes extremely narrow due to the fact that the signal electrode and the common electrode are placed across the heat generating part. When all dots are energized, the resistance value of the common electrode increases, which causes a voltage drop, the heat generation amount of the heat generating part decreases significantly, and there is a risk of problems such as insufficient current capacity and burnout. One time.
本発明はこのような課題？解決する友めになされ友もの
で、樹脂系のインクリボン？用いることができて、発熱
部の発熱量や記録紙への圧接力？それ程高めなくても、
ラフペーパーに鮮明な印字ができるエツジタイプのサー
マルヘッド？提供することを目的とする。Does the present invention address such a problem? Resin-based ink ribbon is a friend who solves problems. Can it be used, and the amount of heat generated by the heat generating part and the pressure applied to the recording paper? Even if it's not that high,
An edge-type thermal head that can print clearly on rough paper? The purpose is to provide.
上述の目的？達成する友めに、本発明のサーマルヘッド
は、基板の端部に接してグレーズ層金形成し、このグレ
ーズ層の上部に発熱部音形成するとともに、信号電極お
工び共通電極を同一方向に導出嘔せ几ことを特徴とする
。The purpose mentioned above? To achieve this, the thermal head of the present invention has a glaze layer formed in contact with the edge of the substrate, a heat generating section formed on the top of this glaze layer, and a signal electrode and a common electrode formed in the same direction. It is characterized by vomiting.
以下、図面を用いて本発明の詳細な説明する。 Hereinafter, the present invention will be explained in detail using the drawings.
第１図および第２図は、いずれも本発明の一実施例に係
るサーマルヘッドの構造を示し、第１図は保護層を除い
九部分平面図、第２図は部分断面図である。図において
１はアルミナ等のセラミックからなる厚さＱ、 ５ ｍ
ｘ程度の基板、２は基板１の端部に接して形成場れた中
央頂上部の最大厚さが４０〜６０μｍ程度で、幅が０．
８１１程度の断面略弧状の部分グレーズ層である。３は
部分グレーズ層２の上に形成さＡた。1 and 2 both show the structure of a thermal head according to an embodiment of the present invention, with FIG. 1 being a nine-part plan view excluding a protective layer, and FIG. 2 being a partial sectional view. In the figure, 1 is the thickness Q, which is made of ceramic such as alumina, and is 5 m.
The substrate 2, which is about x in size, has a maximum thickness of about 40 to 60 μm at the central top formed in contact with the edge of the substrate 1, and a width of 0.
This is a partial glaze layer with a substantially arc-shaped cross section of about 811 mm. 3 was formed on the partial glaze layer 2.
Ｔａ、Ｎ等からなる厚ｉ ｏ、 ｉμｍ程度の発熱抵抗
体からなる発熱素子でろる。４は部分グレーズ層２上お
よび発熱素子３に接して形成さ：ａ之ＡＪ等からなる厚
嘔１〜２μｍ程度の共通電極でめり、隣接する２個の発
熱素子３より一本導出されている。The heating element is made of a heating resistor made of Ta, N, etc. and having a thickness of about io or iμm. Reference numeral 4 is formed on the partial glaze layer 2 and in contact with the heating element 3. A common electrode of about 1 to 2 μm made of AJ or the like is formed, and one electrode is led out from two adjacent heating elements 3. There is.
５は、共通電極４と同様にして形成され共通電極４と同
一方向に導出され九信号電極でろる。６は共通電極４を
連結し、基板１の他端に導出する厚さ１〜２μｍ程度の
集合電極でるる。７は集合電極６と信号電極５と？絶縁
するための眉間絶縁材でろり、ポリイミドや低温焼成ブ
レーズ層が用いられる。更に８は発熱素子３及び共通電
極４、信号電極５及び集合電極６等の耐酸化や耐摩耗た
めの３ｉ０．や’ｒａ、ｏｓ 等からなる保護層でらる
。5 is formed in the same manner as the common electrode 4, is led out in the same direction as the common electrode 4, and is a nine signal electrode. Reference numeral 6 denotes a collective electrode having a thickness of about 1 to 2 μm, which connects the common electrode 4 and leads to the other end of the substrate 1. 7 is collective electrode 6 and signal electrode 5? For insulation, a layer of insulating material between the eyebrows, polyimide, or a low-temperature fired blaze layer is used. Furthermore, 3i0. A protective layer consisting of , 'ra, os, etc.
周、信号電極５は、共通電極４と平行に同一方向に導出
されるが、第１図に示すように、集合電極６に導通しな
い位置でカットするように共通電極４と同一工程で、フ
オ） ＩＪソ技術によってバターニング嘔れる。そして
、集合′電極６上に層間絶縁材７を形成し、集合電極６
を完全に被覆・絶縁した後、スパッタ等にエクＡ１等の
電極材料を再度蒸着し、再度フオ） ｌ）ソ技術で発熱
素子３およびそれぞれの電極パターン？形成することに
よって、信号電極５は、眉間絶縁材７上全横断して基板
１上に任意の導出パターンが形成場れる。ま皮層間絶縁
材７は感光性ポリイミド等の樹脂金塗布し、フォトリソ
技術で所定の絶縁被覆パターンに仕上げるか、又は１膜
印刷方式で樹脂ま之は、低温ガラス等をダイレクトに処
理して所定の絶縁被覆パターン七形成する。この工うな
構成とすることにより、スルーホール技術？用いずとも
、電極配給の多層化が歩留りよぐ製造できる。そしてそ
の上にＳｉｎ、やＴａ、Ｏ，等からなる保護層８を被覆
することによってエツジタイプのサーマルヘッドが形成
される。The peripheral signal electrode 5 is led out in the same direction parallel to the common electrode 4, but as shown in FIG. ) Buttering is caused by IJ technology. Then, an interlayer insulating material 7 is formed on the collective electrode 6, and the collective electrode 6 is
After completely covering and insulating the heating element 3 and insulating it, re-deposit the electrode material such as A1 by sputtering, etc., and re-evaporate the heat generating element 3 and each electrode pattern using the method. By forming the signal electrode 5, an arbitrary derivation pattern can be formed on the substrate 1 by completely traversing the glabella insulating material 7. The interlayer insulating material 7 is coated with a resin such as photosensitive polyimide and finished into a predetermined insulation coating pattern using photolithography technology, or by directly processing low-temperature glass or the like using a one-film printing method. Seven insulation coating patterns are formed. This construction allows for through-hole technology? Even without the use of multi-layered electrode distribution, manufacturing can be achieved with higher yields. Then, a protective layer 8 made of Sin, Ta, O, etc. is coated thereon to form an edge type thermal head.
以上述べたように本発明のサーマルヘッドは基板１の端
に接して、部分グレーズ４２に設け、その部分グレーズ
層２の上部に発熱素子３を配置し、その発熱素子３の信
号電極５側に共通電極４も導出嘔せる構成とすることに
より発熱素子３に著しく接近した位置でヘッドチップに
切断することが可能となる。これにより、発熱素子３ヶ
著しくキパン１の端に位置させるとともに共通電極の抵
抗値の上昇問題も解消でき、かつ、サーマルヘッドを適
度に傾斜θＴさせて発熱部３を記録紙に圧接させること
にエフ圧接圧力全有効に発熱素子３に集中させることが
できるとともに熱転写インクリボンを用いる場合は、そ
の引き剥し角θ？ を大きくすることができるため、樹
脂系の熱転写性の良効なインクリボンを用いても全体の
押し付は圧力や、発熱量をそれ程大きくしなくても、平
滑性１０秒以下のラフペーパーに対しても鮮明々印字が
行えるとともに、印字の濃度ムラや地汚れが少なくヘッ
ドの寿命？劣化嘔せないと言う効果ｒ与える。As described above, the thermal head of the present invention is provided on the partial glaze 42 in contact with the edge of the substrate 1, the heating element 3 is arranged on the upper part of the partial glaze layer 2, and the heating element 3 is placed on the signal electrode 5 side. By making the common electrode 4 also extendable, it becomes possible to cut the head chip at a position extremely close to the heating element 3. This makes it possible to locate the three heating elements at the extreme ends of the span 1, solve the problem of increased resistance of the common electrode, and also make it possible to incline the thermal head at an appropriate inclination θT and press the heating part 3 against the recording paper. When using a thermal transfer ink ribbon, the peeling angle θ? Even if a resin-based ink ribbon with good heat transfer properties is used, the overall pressing does not require much pressure or heat generation, and it can be applied to rough paper with smoothness of 10 seconds or less. In addition to being able to print clearly even on paper, there is little density unevenness and background smearing, and the head has a long lifespan. Gives the effect of preventing deterioration and vomiting.
更に本発明のサーマルヘッドは発熱素子３かも同一方向
に共通電極４お工び信号電極５を導出した構成にすると
ともに、共通電極４は隣接する２個の発熱ドツトから１
本の共通電極４を取出す構成として、導出電極本数？減
らし、信号電極５■幅又はそれぞれの電唖間全広くでき
る余地７作ることに工っで、同一方向に電極が導出され
ても、製造プロセスにおける歩留の低下を軽減する効果
？生む。Furthermore, the thermal head of the present invention has a structure in which the heating element 3 is also guided in the same direction by the common electrode 4 and the signal electrode 5.
As a configuration for taking out the common electrode 4 of the book, how many lead-out electrodes? Is it possible to reduce the width of the signal electrode 5 or to create a room 7 for widening the width of each electrode, thereby reducing the yield loss in the manufacturing process even if the electrodes are led out in the same direction? give birth to
更に発熱素子３から導出し之複数の共通電極４はキバン
１の任意の位置において集合電極６・、て接続されキバ
ン１の端部に導く構成としている。このように、集合電
極６から見た共通ｖｈはそ几ぞれが略均等な配置となる
ため、集合１０、つ嶌を任意に調整することにエリ、集
合蜜漬６から一すた発熱素子３に対する抵抗値のバラツ
キは無視できる範囲に容易に成し得る念め、従来のよう
に全ドツト通電時の印字濃度低下等の欠点が全く解消で
きる様になる効果？生む。Further, a plurality of common electrodes 4 led out from the heat generating element 3 are connected to a collective electrode 6 at an arbitrary position of the cabinet 1 and led to an end of the cabinet 1. In this way, since the common vh as seen from the collective electrode 6 is approximately equally arranged, it is possible to arbitrarily adjust the height of the collective 10 and the heat generating elements from the collective electrode 6. The variation in resistance value for 3 can be easily reduced to a negligible range, and the effect of completely eliminating the drawbacks such as the decrease in print density when all dots are energized as in the past? give birth to
第１図および第２図は、いずれも本発明のサーマルヘッ
ドの一実施例を示し、第１図はその保護層を除いた部分
平面図、第２図は部分構造断面図であり、第３図は従来
のサーマルヘッドを示す部分構造断面図でるる。
１・・・基板、２・・・部分グレーズ層、３・・・発熱
素子、４・・・共通電極、５・・・信号電極、６・・・
集合電極、７・・・絶縁部材
き
り
第１因
１：界工癲
２：抄仔ｑ゛シー又
３−ご弁竜ン
４、二俵省均
５、侘冶僅ル
６゛隼６竜辱
７：５檀１’Ｊｔ岐猿１1 and 2 both show one embodiment of the thermal head of the present invention, FIG. 1 is a partial plan view of the thermal head with the protective layer removed, FIG. 2 is a partial structural sectional view, and FIG. The figure is a partial structural sectional view showing a conventional thermal head. DESCRIPTION OF SYMBOLS 1...Substrate, 2...Partial glaze layer, 3...Heating element, 4...Common electrode, 5...Signal electrode, 6...
Collective electrode, 7... Insulating member cut 1st cause 1: Kaiko 2: Shoko q゛ Seamata 3 - Gobenryun 4, Nitawara Shohitoshi 5, Wajisho 6゛ Hayabusa 6 Rui 7:5 Dan 1'Jt Kizaru 1
Claims (4)
し、このグレーズ層の上部に複数の発熱ドットを形成し
てなるエッジタイプサーマルヘッドにおいて信号電極お
よび共通電極をそれぞれ同一方向に導出させたことを特
徴とするエッジタイプサーマルヘッド。(1) In an edge type thermal head, a glaze layer is formed on a substrate in contact with the edge of the substrate, and a plurality of heat generating dots are formed on the top of this glaze layer, with the signal electrodes and common electrodes oriented in the same direction. An edge type thermal head that is characterized by being derived.
取り出し、それぞれの共通電極を更に連結して、集合電
極を形成し該集合電極を絶縁材で被覆し、この絶縁材上
に信号電極を積層したことを特徴とする第（１）項記載
のエッジタイプサーマルヘッド。(2) One common electrode is taken out for each two adjacent heating dots, each common electrode is further connected to form a collective electrode, the collective electrode is covered with an insulating material, and a signal is placed on this insulating material. The edge type thermal head according to item (1), characterized in that the electrodes are laminated.
程と、この抵抗体および電極材料をフオトリソ技術によ
つて発熱素子およびこの発熱素子から同一方向に引き出
される共通電極と信号電極と更にこの共通電極を連結し
た集合電極を形成する工程と、この集合電極を絶縁材で
被覆する工程と再度電極材料を蒸着する工程と、フオト
リソ技術によつて発熱素子と電極部及び前記絶縁部材の
上に信号電極を形成する工程とからなることを特徴とす
るエッジタイプサーマルヘッドの製造方法。(3) A step of sequentially depositing a resistor and an electrode material on a substrate, and a heating element, a common electrode and a signal electrode drawn out from the heating element in the same direction, and a common electrode and a signal electrode drawn out in the same direction from the heating element by photolithography. A process of forming a collective electrode by connecting the common electrodes, a process of covering the collective electrode with an insulating material, a process of vapor depositing the electrode material again, and a process of forming a heat generating element, an electrode part, and the above-mentioned insulating member using photolithography technology. 1. A method for manufacturing an edge type thermal head, comprising the step of forming signal electrodes.
保護層を被覆する工程を追加したことを特徴とするエッ
ジタイプサーマルヘッドの製造方法。(4) A method for manufacturing an edge type thermal head, which further comprises adding a step of coating an oxidation-resistant and abrasion-resistant protective layer to the step described in item (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5670488A JPH01229657A (en) | 1988-03-10 | 1988-03-10 | Edge type thermal head and its manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5670488A JPH01229657A (en) | 1988-03-10 | 1988-03-10 | Edge type thermal head and its manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01229657A true JPH01229657A (en) | 1989-09-13 |
Family
ID=13034858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5670488A Pending JPH01229657A (en) | 1988-03-10 | 1988-03-10 | Edge type thermal head and its manufacture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01229657A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5267704A (en) * | 1990-07-19 | 1993-12-07 | Fuji Xerox Co., Ltd. | Paper roll supporting and holding device with expansible end support member |
-
1988
- 1988-03-10 JP JP5670488A patent/JPH01229657A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5267704A (en) * | 1990-07-19 | 1993-12-07 | Fuji Xerox Co., Ltd. | Paper roll supporting and holding device with expansible end support member |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01229657A (en) | Edge type thermal head and its manufacture | |
| JP2001232838A (en) | Thermal printing head and manufacturing method | |
| JPH02292058A (en) | Thick film type thermal head | |
| JPS6153954B2 (en) | ||
| JPS6042069A (en) | Thermal print head | |
| JPH01229658A (en) | Edge type thermal head and its manufacture | |
| JPH0710600B2 (en) | Edge type thermal head | |
| JP2006213027A (en) | Thermal head and its manufacturing method | |
| JPH0284351A (en) | Thermal head | |
| JPH04288244A (en) | Thermal head | |
| JPH07205465A (en) | Thermal head and manufacture thereof | |
| US4982201A (en) | Thermal head | |
| JP2579389B2 (en) | Thermal head | |
| JPS6349451A (en) | Manufacture of thermal head | |
| JPS5812775A (en) | Manufacture of thermal head | |
| JPS60224559A (en) | Thermal head | |
| JPS61110569A (en) | Thermal head and manufacture thereof | |
| JPH02145354A (en) | Thermal head and manufacture thereof | |
| JPH02206563A (en) | Thermal head | |
| JPH04110160A (en) | End face-type thermal head | |
| JPS60234862A (en) | Thermal head | |
| JPH01262151A (en) | End surface type thermal head | |
| JP2599948B2 (en) | Manufacturing method of thermal head | |
| JPH04163157A (en) | Thermal head | |
| JPH03199057A (en) | Thermal print head |