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1. (WO2005120841) THERMAL PRINT HEAD AND METHOD FOR MANUFACTURING THE SAME
PCT Biblio. Data
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Pub. No.:
WO/2005/120841
International Application No.:
PCT/JP2005/009347
Publication Date:
22.12.2005
International Filing Date:
23.05.2005
IPC:
B41J 2/335
(2006.01)
B
PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
315
characterised by selective application of heat to a heat sensitive printing or impression-transfer material
32
using thermal heads
335
Structure of thermal heads
Applicants:
Rohm Co., Ltd.
[JP/JP]; 21, Saiin Mizosaki-cho, Ukyo-ku, Kyoto-shi, Kyoto 6158585 (JP)
(For All Designated States Except US)
.
YAMAMOTO, Masaya
[JP/JP]; (JP)
(For US Only)
.
OBATA, Shinobu
[JP/JP]; (JP)
(For US Only)
Inventors:
YAMAMOTO, Masaya
; (JP).
OBATA, Shinobu
; (JP)
Agent:
YOSHIDA, Minoru
; 2-32-1301, Tamatsukuri-motomachi, Tennoji-ku, Osaka-shi, Osaka 5430014 (JP)
Priority Data:
2004-154489
25.05.2004
JP
Title
(EN)
THERMAL PRINT HEAD AND METHOD FOR MANUFACTURING THE SAME
(FR)
TETE D'IMPRESSION THERMIQUE ET SON PROCEDE DE FABRICATION
(JA)
サーマルプリントヘッドおよびその製造方法
Abstract:
(EN)
In a thermal print head (A1), at least a part overlapping with a resistive element (4), among electrodes (3a-3c), is sunken from a glazed layer (2). Preferably, among the electrodes (3a-3c), the part overlapping with the resistive element (4) is sunken to a depth which permits the surface of the part to be at the same level with the surface of the glazed layer (2). Thus, transfer efficiency of heat from a heating part (40) of the resistive element (4) to a heat sensitive medium is improved, and heat sensitive paper can be smoothly transferred.
(FR)
La présente invention a trait à une tête d'impression thermique (A1), dans laquelle au moins une partie chevauchant un élément résistif (4), parmi des électrodes (3a-3c), est enfoncée à partir d'une couche glacée (2). De préférence, parmi les électrodes (3a-3c), la partie chevauchant l'élément résistif (4) est enfoncée à une certaine profondeur qui permet à la surface d'être au même niveau que la surface de la couche glacée (2). Ainsi, l'efficacité de transfert de chaleur depuis une partie chauffante (40) de l'élément résistif (4) vers un milieu thermosensible est amélioré, et du papier thermosensible peut être transféré en souplesse.
(JA)
【課題】 サーマルプリントヘッド(A1)は、電極(3a~3c)のうち、少なくとも抵抗体(4)が重なっている部分は、グレーズ層2に対して沈下した構成とされている。好ましくは、電極(3a~3c)のうち、抵抗体(4)が重なっている部分は、その表面がグレーズ層(2)の表面と面一となる深さに沈下している。このことにより、抵抗体(4)の発熱部(40)から感熱記録媒体への熱伝達効率を高くし、感熱紙を円滑に搬送することが可能である。
Designated States:
AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG).
Publication Language:
Japanese (
JA
)
Filing Language:
Japanese (
JA
)