JPH0217343U - - Google Patents
Info
- Publication number
- JPH0217343U JPH0217343U JP9471088U JP9471088U JPH0217343U JP H0217343 U JPH0217343 U JP H0217343U JP 9471088 U JP9471088 U JP 9471088U JP 9471088 U JP9471088 U JP 9471088U JP H0217343 U JPH0217343 U JP H0217343U
- Authority
- JP
- Japan
- Prior art keywords
- common electrode
- width
- narrow
- electrode connecting
- wide
- 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
- 238000010438 heat treatment Methods 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 13
- 230000020169 heat generation Effects 0.000 description 3
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- Electronic Switches (AREA)
Description
第１図は本考案のサーマルヘツドの電極および
発熱抵抗体の形状を示す図、第２Ａ，２Ｂ，２Ｃ
図は第１図に示したｕ，ｖ，ｗの相対的な値の大
きさに応じて発熱抵抗体の最大発熱面積を得た場
合に各発熱抵抗体間の間隔がどのように定まるか
を説明するための図、第３Ａ図はｕ＝０のときの
ｖ，ｗの値と最大発熱面積との関係の説明図で、
第３Ｂ図は第３Ａ図の矢視Ｂからみた図、第４
図はｕ＝２のときのｖ，ｗの値と最大発熱面積と
の関係の説明図で、第４Ｂ図は第４Ａ図の矢視
Ｂからみた図、第４Ｃ〜４Ｅ図は第４Ａ図の分解
説明図、第５Ａ図はｕ＝４のときのｖ，ｗの値と
最大発熱面積との関係の説明図で、第５Ｂ図は第
５Ａ図の矢視ＶＢからみた図、第６Ａ図はｕ＝６
のときのｖ，ｗの値と最大発熱面積との関係の説
明図で、第６Ｂ図は第６Ａ図の矢視Ｂからみた
図、第７〜１３図は従来例の説明図で、第７図は
フアクシミリに組み込まれたサーマルヘツドの側
断面図、第８図はサーマルヘツドの要部の斜視図
、第９図は第８図の矢視の部分の拡大図、第１
０図は発熱抵抗体に接続される電極の幅が発熱抵
抗体よりも大きい従来例の説明図、第１１図は発
熱抵抗体に接続される電極の幅が発熱抵抗体より
も小さい従来例の説明図、第１２図は発熱抵抗体
とこれによつて接続される電極との幅を等しくし
た場合を示す図、第１３図は第１２図の場合に電
極先端部と発熱抵抗体との位置がずれた場合を示
す図、である。
Ｘ……主走査方向、Ｙ……副走査方向、Ｌ……
対向する電極間の距離、ｓ１，ｓ２……幅、１…
…絶縁基板、２……共通電極、３……共通電極本
体部、４……狭幅共通電極接続部、４ａ……狭幅
共通電極先端部、５……広幅共通電極接続部、５
ａ……広幅共通電極先端部、６……広幅個別電極
、６ａ……広幅個別電極先端部、７……狭幅個別
電極、７ａ……狭幅個別電極先端部、８……発熱
抵抗体。
Figure 1 is a diagram showing the shapes of the electrodes and heating resistor of the thermal head of the present invention, Figures 2A, 2B, and 2C
The figure shows how the spacing between each heating resistor is determined when the maximum heating area of the heating resistor is obtained according to the relative values of u, v, and w shown in Figure 1. Figure 3A, which is an explanatory diagram, is an explanatory diagram of the relationship between the values of v and w and the maximum heat generation area when u = 0,
Figure 3B is a view from arrow B in Figure 3A,
The figure is an explanatory diagram of the relationship between the values of v and w and the maximum heat generation area when u = 2. Figure 4B is a view seen from arrow B in Figure 4A, and Figures 4C to 4E are in Figure 4A. Exploded explanatory diagram, Figure 5A is an explanatory diagram of the relationship between the values of v and w and the maximum heat generation area when u = 4, Figure 5B is a diagram seen from arrow VB of Figure 5A, and Figure 6A is u=6
FIG. 6B is a diagram seen from arrow B in FIG. 6A, and FIGS. 7 to 13 are explanatory diagrams of conventional examples. The figure is a side cross-sectional view of the thermal head incorporated in a facsimile, Figure 8 is a perspective view of the main parts of the thermal head, Figure 9 is an enlarged view of the part in the direction of the arrow in Figure 8, and Figure 1.
Figure 0 is an explanatory diagram of a conventional example in which the width of the electrode connected to the heating resistor is larger than the heating resistor, and Figure 11 is an illustration of a conventional example in which the width of the electrode connected to the heating resistor is smaller than the heating resistor. Explanatory diagram: Figure 12 is a diagram showing the case where the width of the heating resistor and the electrode connected by it is equal, and Figure 13 is the position of the tip of the electrode and the heating resistor in the case of Figure 12. FIG. 3 is a diagram illustrating a case in which X...Main scanning direction, Y...Sub scanning direction, L...
Distance between opposing electrodes, s 1 , s 2 ...Width, 1...
...Insulating substrate, 2...Common electrode, 3...Common electrode main body, 4...Narrow width common electrode connection part, 4a...Narrow width common electrode tip part, 5...Wide width common electrode connection part, 5
a... Wide common electrode tip, 6... Wide individual electrode, 6a... Wide individual electrode tip, 7... Narrow individual electrode, 7a... Narrow individual electrode tip, 8... Heat generating resistor.
Claims (1)
と該本体部３から副走査方向Ｙに櫛歯状に延びる
複数の幅ｓ１の狭幅共通電極接続部４およびこの
狭幅共通電極接続部４の幅ｓ１よりも広い幅ｓ２
の広幅共通電極接続部５とから成り、且つ前記狭
幅共通電極接続部４および広幅共通電極接続部５
が主走査方向Ｘに沿つて交互に配置された共通電
極２と、前記狭幅共通電極接続部４の先端部４ａ
に所定の距離Ｌを置いて対向するように先端部６
ａが配置され、前記広幅共通電極接続部５と同じ
幅ｓ２の広幅個別電極６と、前記広幅共通電極接
続部５に所定の距離Ｌを置いて対向するように先
端部７ａが配置され、前記狭幅共通電極接続部４
と同じ幅ｓ１の狭幅個別電極７と、前記各対向し
て配置された電極先端部（４ａ，４ｂ、および５
ａ，７ａ）間をそれぞれ個別に接続する幅（ｓ１
＋ｓ２）／２の発熱抵抗体８とが絶縁基板１表面
に形成されたサーマルヘツド。 Strip-shaped common electrode main body portion 3 extending in the main scanning direction
and a plurality of narrow common electrode connecting portions 4 having a width s1 extending in a comb-like shape from the main body portion 3 in the sub-scanning direction Y, and a width s2 wider than the width s1 of the narrow common electrode connecting portions 4.
and a wide common electrode connecting portion 5, and the narrow common electrode connecting portion 4 and the wide common electrode connecting portion 5.
are arranged alternately along the main scanning direction X, and the tip portion 4a of the narrow common electrode connection portion 4
The distal end 6 is placed so as to face the
a, a wide individual electrode 6 having the same width s2 as the wide common electrode connecting portion 5, and a tip portion 7a placed so as to face the wide common electrode connecting portion 5 at a predetermined distance L; The narrow common electrode connection portion 4
narrow individual electrodes 7 with the same width s 1 and the electrode tips (4a, 4b, and 5) disposed opposite to each other.
a, 7a) width (s 1
+s 2 )/2 heating resistor 8 is formed on the surface of an insulating substrate 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9471088U JPH0217343U (en) | 1988-07-18 | 1988-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9471088U JPH0217343U (en) | 1988-07-18 | 1988-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0217343U true JPH0217343U (en) | 1990-02-05 |
Family
ID=31319278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9471088U Pending JPH0217343U (en) | 1988-07-18 | 1988-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217343U (en) |
-
1988
- 1988-07-18 JP JP9471088U patent/JPH0217343U/ja active Pending