Thermal printhead and method of making the same
    1.
    发明授权
    Thermal printhead and method of making the same 有权
    热敏打印头及其制作方法

    公开(公告)号:US06331868B1

    公开(公告)日:2001-12-18

    申请号:US09673375

    申请日:2000-10-16

    IPC分类号: B41J2335

    摘要: A thermal printhead (A) includes an insulating substrate (10) having an upper surface (10a) and a side surface (10b), and a heat retaining glaze layer (11) formed on the substrate (10). A heating resistor (13) is formed on the glaze layer (11). The thermal printhead (A) further includes a common electrode (12) and a plurality of individual electrodes. The common electrode (12) has a plurality of teeth (12a) connected to the heating resistor (13), and a connecting portion (12b) which connects the teeth (12a) with each other. An electrode auxiliary layer (14) is formed on the connecting portion (12b). The heating resistor (13) and the electrode auxiliary layer (14) are covered with an overcoat layer (16) which is, in turn, covered with a protective layer (17). The connecting portion (12b) of the common electrode (12) directly contacts both the glaze layer (11) and the upper surface (10a) of the substrate.

    摘要翻译: 热打印头(A)包括具有上表面(10a)和侧表面(10b)的绝缘基板(10)和形成在基板(10)上的保温釉层(11)。 在釉层(11)上形成发热电阻(13)。 热打印头(A)还包括公共电极(12)和多个单独的电极。 公共电极(12)具有连接到加热电阻器(13)的多个齿(12a)和将齿(12a)彼此连接的连接部分(12b)。 在连接部分(12b)上形成电极辅助层(14)。 加热电阻器(13)和电极辅助层(14)被覆盖层(16)覆盖,该覆盖层又被保护层(17)覆盖。 公共电极(12)的连接部(12b)直接接触基板的釉层(11)和上表面(10a)。

    Thermal print head and method of manufacturing thereof
    2.
    发明授权
    Thermal print head and method of manufacturing thereof 有权
    热敏打印头及其制造方法

    公开(公告)号:US06483528B1

    公开(公告)日:2002-11-19

    申请号:US09980415

    申请日:2001-11-30

    IPC分类号: B41J2335

    摘要: A thermal printhead (1) comprises a substrate (2), an electrode pattern (3) formed on the substrate, including a common electrode and a plurality of individual electrodes, a heating resister (5)connected to the electrode pattern (3), and a protective coating (8) including a plurality of layers (81, 82, 83, 84) covering the electrode pattern (3) and the heating resister (5). The protective coating includes an outermost layer (84) composed mainly of SiC and an admixture of carbon.

    摘要翻译: 热打印头(1)包括基板(2),形成在基板上的电极图案(3),包括公共电极和多个单独电极,连接到电极图案(3)的加热电阻(5) 以及包括覆盖电极图案(3)和加热电阻(5)的多个层(81,82,83,84)的保护涂层(8)。 保护涂层包括主要由SiC构成的最外层(84)和碳的混合物。

    Thick-film thermal print head and its manufacturing method
    3.
    发明授权
    Thick-film thermal print head and its manufacturing method 有权
    厚膜热敏打印头及其制造方法

    公开(公告)号:US06469724B1

    公开(公告)日:2002-10-22

    申请号:US09807817

    申请日:2001-04-19

    IPC分类号: B41J2335

    摘要: The thermal printhead (1) includes an insulating substrate (2), a heating resister (5) formed on the substrate (2), a first glass coat layer (7) formed on the substrate (2) for covering the heating resister (5), and a second glass coat layer (8) formed on the first glass coat layer (7). The heating resister (5) has a centerline average roughness not greater than 0.3 &mgr;m. The first glass coat layer (7) has a centerline average roughness not greater than 0.1 &mgr;m.

    摘要翻译: 热打印头(1)包括绝缘基板(2),形成在基板(2)上的加热电阻(5),形成在基板(2)上的第一玻璃涂层(7),用于覆盖加热电阻 )和形成在第一玻璃涂层(7)上的第二玻璃涂层(8)。 加热电阻(5)的中心线平均粗糙度不大于0.3μm。 第一玻璃涂层(7)的中心线平均粗糙度不大于0.1μm。

    Thermal printhead and method of making the same
    4.
    发明授权
    Thermal printhead and method of making the same 有权
    热敏打印头及其制作方法

    公开(公告)号:US06304280B1

    公开(公告)日:2001-10-16

    申请号:US09530434

    申请日:2000-05-01

    IPC分类号: B41J2335

    CPC分类号: B41J2/3353 B41J2/3357

    摘要: A thermal printhead 1 according to the present invention includes a multiplicity of heating elements 4a formed in a row on an obverse surface of an elongated substrate 2 at a portion which is offset widthwise toward one longitudinal side of the substrate, and a protective film 8 formed on the obverse surface of the substrate 2 at the widthwise offset portion for covering the heating elements 4a. The protective film 8 is formed to extend on the obverse surface of the substrate 2 continuously from the widthwise offset portion onto one longitudinal side surface 2a of the substrate. A longitudinal edge 8b of the protective film 8 directed toward the other longitudinal side of the substrate 2 is tapered.

    摘要翻译: 根据本发明的热敏打印头1包括多个加热元件4a,其形成在细长基板2的正表面上的沿着基板的一个纵向侧宽度方向偏移的部分处的一行中,并形成有保护膜8 在用于覆盖加热元件4a的宽度方向偏移部分的基板2的正面上。 保护膜8被形成为在基板2的正面上从宽度方向偏移部分连续延伸到基板的一个纵向侧表面2a上。 保护膜8的朝向基板2的另一纵向侧的纵向边缘8b是锥形的。

    Construction of thermal print head and method of forming protective coating
    5.
    发明授权
    Construction of thermal print head and method of forming protective coating 失效
    热打印头的构造和形成保护涂层的方法

    公开(公告)号:US06448993B1

    公开(公告)日:2002-09-10

    申请号:US09462022

    申请日:1999-12-30

    IPC分类号: B41J2335

    摘要: A thermal printhead includes a head substrate (1), a heating resistor (5) provided on the head substrate, a plurality of individual electrodes (2) connected to the heating resistor, and a common electrode (3) connected to the heating resistor. The thermal printhead is further provided with a first coating layer (6) covering the heating resistor, the individual electrodes and the common electrode, and a second coating layer (7) which is formed on the first coating layer and made of sialon containing a conductive material as an additive. The first coating layer is formed with at least one through-hole (6a) or notch (6a′), so that the second coating layer is electrically connected to the common electrode via the through-hole or the notch.

    摘要翻译: 热打印头包括头基板(1),设置在头基板上的加热电阻(5),连接到加热电阻器的多个单独电极(2)和连接到加热电阻器的公共电极(3)。 热敏打印头还设置有覆盖加热电阻器,各个电极和公共电极的第一涂层(6)和形成在第一涂层上并由塞伦管制成的第二涂层(7) 材料作为添加剂。 第一涂层形成有至少一个通孔(6a)或凹口(6a'),使得第二涂层通过通孔或凹口与公共电极电连接。

    Thick-film thermal printhead with improved paper transfer properties
    6.
    发明授权
    Thick-film thermal printhead with improved paper transfer properties 有权
    厚膜热敏打印头,具有改进的纸张传输性能

    公开(公告)号:US06441840B1

    公开(公告)日:2002-08-27

    申请号:US09881808

    申请日:2001-06-18

    IPC分类号: B41J2345

    CPC分类号: B41J2/3357

    摘要: A thick-film thermal printhead includes an insulating substrate, an electrode pattern formed on the substrate and a linear heating resistor electrically connected to electrode pattern. The electrode pattern includes a common electrode and a plurality of individual electrodes. The common electrode includes a plurality of comb-teeth and a main conductor connected to the comb-teeth. The distance between the main conductor and the heating resistor is 0.25-0.75 times the width of the heating resistor.

    摘要翻译: 厚膜热敏打印头包括绝缘基板,形成在基板上的电极图案和电连接到电极图案的线性加热电阻器。 电极图案包括公共电极和多个单独的电极。 公共电极包括多个梳齿和连接到梳齿的主导体。 主导体和加热电阻之间的距离是加热电阻器宽度的0.25-0.75倍。

    Thermal printhead
    8.
    发明授权
    Thermal printhead 有权
    热敏打印头

    公开(公告)号:US07969458B2

    公开(公告)日:2011-06-28

    申请号:US12376384

    申请日:2007-07-26

    申请人: Takumi Yamade

    发明人: Takumi Yamade

    IPC分类号: B41J2/335

    摘要: A thermal printhead (A1) includes a substrate (1) and a heating resistor (3) supported by the substrate (1). An electrode pattern (2) is formed in contact with the heating resistor (3) for applying driving voltage. The heating resistor (3) is covered with a protective film (5). The protective film (5) includes a high thermal conductivity layer (51) and a low thermal conductivity layer (52) laminated on the high thermal conductivity layer. The low thermal conductivity layer (52) is positioned farther from the heating resistor (3) than the high thermal conductivity layer (51) is.

    摘要翻译: 热打印头(A1)包括由基板(1)支撑的基板(1)和加热电阻器(3)。 与用于施加驱动电压的加热电阻器(3)接触地形成电​​极图案(2)。 加热电阻器(3)被保护膜(5)覆盖。 保护膜(5)包括层叠在高导热层上的高导热层(51)和低导热层(52)。 低热导率层(52)位于比热导率层(51)更远离加热电阻体(3)的位置。

    THERMAL PRINT HEAD
    9.
    发明申请
    THERMAL PRINT HEAD 有权
    热打印头

    公开(公告)号:US20100066798A1

    公开(公告)日:2010-03-18

    申请号:US12531361

    申请日:2008-03-11

    IPC分类号: B41J2/335

    摘要: A thermal print head A includes a substrate 1, a heat generating resistor 3 supported by the substrate 1, and a protective layer 4 which covers the heat generating resistor 3. The protective layer 4 includes a first inner layer 41 which is in contact with the heat generating resistor 3, a second inner layer 42 formed on the first inner layer 41, and an outer layer 43. Part of the second inner layer 42 is formed as a rough surface 42a which has a surface roughness of Ra 0.1 through 0.3. The rough surface 42a is disposed at a position corresponding to the heat generating resistor 3. The outer layer 43 is made of a metal nitride or a chemical compound containing a metal nitride, and has a thickness of 0.1 through 0.5 μm.

    摘要翻译: 热敏打印头A包括基板1,由基板1支撑的发热电阻体3和覆盖发热电阻体3的保护层4.保护层4包括与第一内层41接触的第一内层41 发热电阻体3,形成在第一内层41上的第二内层42和外层43.第二内层42的一部分形成为粗糙面42a,表面粗糙度为Ra 0.1〜0.3。 粗糙表面42a设置在与发热电阻体3对应的位置。外层43由金属氮化物或含有金属氮化物的化合物构成,厚度为0.1〜0.5μm。

    Thermal print head
    10.
    发明授权
    Thermal print head 有权
    热敏打印头

    公开(公告)号:US07969459B2

    公开(公告)日:2011-06-28

    申请号:US12528516

    申请日:2008-02-21

    IPC分类号: B41J2/335

    摘要: A thermal printhead (A) includes an insulating substrate (1), a heating resistor (2) provided on the substrate (1) and a protective film (4) covering the heating resistor (2). The protective film (4) is made up of a first layer (41), a second layer (42) and a third layer (43). The first layer (41) is held in contact with the heating resistor (2). The second layer (42) covers the first layer (41). The second layer (42) is harder than the first layer (41) and has a higher thermal conductivity than that of the first layer (41). The third layer (43) is the outermost layer and covers the second layer (42). The third layer (43) is harder than the second layer (42) and thinner than the second layer (42).

    摘要翻译: 热敏打印头(A)包括绝缘基板(1),设置在基板(1)上的加热电阻器(2)和覆盖加热电阻器(2)的保护膜(4)。 保护膜(4)由第一层(41),第二层(42)和第三层(43)构成。 第一层(41)保持与加热电阻(2)接触。 第二层(42)覆盖第一层(41)。 第二层(42)比第一层(41)更硬,并且具有比第一层(41)更高的热导率。 第三层(43)是最外层,并覆盖第二层(42)。 第三层(43)比第二层(42)更硬并且比第二层(42)薄。