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    • 2. 发明授权
    • Thermal head
    • 热头
    • US4743923A
    • 1988-05-10
    • US941644
    • 1986-12-15
    • Yasuo NishiguchiTsuyoshi YasutomiRyoichi ShiraishiAkira SasakiYoshihito TakahashiKatsumasa MikamiMasafumi SuzakiAkiyoshi Hakoyama
    • Yasuo NishiguchiTsuyoshi YasutomiRyoichi ShiraishiAkira SasakiYoshihito TakahashiKatsumasa MikamiMasafumi SuzakiAkiyoshi Hakoyama
    • H01L49/02G01D15/10
    • H01L49/02
    • A thin film type thermal head includes a head substrate member, a partial projected glaze portion mounted on the head substrate member, a plurality of heating resistor elements provided on the partial projected glaze portion with each of the heating resistor elements having a uniform thin thickness and two electrode end portions. A common electrode is provided on the partial projected glaze portion and an individual control electrode is also provided on the partial projected glaze portion. The partial projected glaze portion has at least two projected portions of different height with the plurality of heating resistor elements having a portion thereof disposed on at least the highest projected portion of the partial projected glaze portion with both electrode end portions of each of the heating resistor elements being disposed on the partial projected glaze portion other than the highest projected portion of the partial projected glaze portion so as to enable a recording dot to become narrow in the printing direction.
    • 薄膜型热敏头包括头基板部件,安装在头基板部件上的部分投影釉部分,设置在部分投影釉部分上的多个加热电阻元件,每个加热电阻元件具有均匀的薄厚度, 两个电极端部。 公共电极设置在部分投射的釉面部分上,并且单独的控制电极也设置在部分投影的釉料部分上。 部分投影釉料部分具有至少两个不同高度的突出部分,多个加热电阻元件的一部分设置在部分投射釉料部分的至少最高突出部分上,其中每个发热电阻器的两个电极端部分 元件被布置在除了部分投影釉部分的最高突出部分之外的部分投影釉面部分上,以使记录点在打印方向上变窄。
    • 6. 发明授权
    • Thermal head for a printer
    • 打印机热敏头
    • US5223855A
    • 1993-06-29
    • US486438
    • 1990-02-28
    • Shigenori OtaTsuyoshi YasutomiKenji NakaiMasayuki Nomoto
    • Shigenori OtaTsuyoshi YasutomiKenji NakaiMasayuki Nomoto
    • B41J2/335
    • B41J2/3352B41J2/3355B41J2/3357B41J2/33575
    • The invention provide a thermal head wherein a head substrate composed by disposing plural heating resistance elements on a support board, and a flexible wiring substrate for connecting the heating resistance elements and an external circuit are adhered together by using a soft adhesive with the shear adhesion strength of 25 kg/cm.sup.2 or less.According to the invention, without having to dispose a reinforcing plate for reinforcing the flexible wiring substrate, the flexible wiring substrate and the head substrate are adhered directly with soft adhesive, and therefore when printing, especially when printing continuously, if the temperature of the head substrate and flexible wiring substrate is raised, the difference in the thermal expansion of the two is absorbed sufficiently by the elasticity of the elastic wiring substrate, and the difference in the thermal expansion between the head substrate and flexible wiring substrate and support board is absorbed by the soft adhesive, and hence the deformation of the thermal head may be eliminated completely, and the transmission of electric signal from external circuit to the integrated circuit is made accurate, so that printing may be done in normal state.
    • 本发明提供一种热敏头,其中通过在支撑板上设置多个加热电阻元件而构成的头基板和用于连接加热电阻元件和外部电路的柔性布线基板通过使用具有剪切粘合强度的软粘合剂 为25kg / cm 2以下。 根据本发明,不需要设置用于加强柔性布线基板的加强板,柔性布线基板和头基板直接用软粘合剂粘合,因此特别是当连续印刷时,如果头部的温度 基板和柔性布线基板升高,两者的热膨胀差由于弹性布线基板的弹性而被充分吸收,并且头基板和柔性布线基板和支撑板之间的热膨胀差被 柔软的粘合剂,因此可以完全消除热敏头的变形,并且将电信号从外部电路传输到集成电路是准确的,使得可以在正常状态下进行打印。
    • 7. 发明授权
    • Thermal head
    • 热头
    • US5285216A
    • 1994-02-08
    • US589392
    • 1990-09-26
    • Shigenori OtaTsuyoshi YasutomiAkihiro Kawata
    • Shigenori OtaTsuyoshi YasutomiAkihiro Kawata
    • B41J2/335B41J2/325
    • B41J2/33525B41J2/33545B41J2/3355B41J2/3357B41J2/33575B41J2/33585
    • When the rear side of a heat resistant substrate having heating elements formed on the front side and a cooling board are adhered with an adhesive, the heat is accumulated in the substrate. To prevent this, the portions corresponding to the heating elements on the rear side are not adhered, but are protected with cooling compound, or adhesives are applied to both sides of the cooling compound, as it is known in prior parts, but they may cause uneven heat release from the substrate to the cooling board, or sacrifice the tacky action due to wetting of the adhesive with the cooling compound. In this invention, cooling compound or cooling adhesive is spread on the rear surface corresponding to the heating elements on the substrate, and an adhesive is applied to the parts separate from that area with grooves, thereby affixing the substrate and cooling member. As a result, the layer thickness of the cooling compound or cooling adhesive may be kept constant, and excessive heating compound flows into the grooves to avoid loss of the tacky action. Thus, excellent heat release is realized, and the printing quality is enhanced.Warps and waves of the heat resistant substrate are eliminated as being pressed and fixed to the cooling board.
    • 当具有形成在前侧的加热元件的耐热基板的背面和冷却板用粘合剂粘合时,热量积聚在基板中。 为了防止这种情况,与后方的加热元件相对应的部分没有被粘附,而是被冷却的化合物保护,或粘合剂被施加到冷却化合物的两侧,如现有技术中已知的那样,但它们可能导致 从衬底到冷却板的不均匀的热量释放,或由于与冷却化合物的粘合剂的润湿而牺牲粘性作用。 在本发明中,将冷却组合物或冷却粘合剂分散在与基板上的加热元件对应的后表面上,并且将粘合剂施加到与该区域分开的部分上的沟槽,从而固定基板和冷却构件。 结果,冷却化合物或冷却粘合剂的层厚度可以保持恒定,并且过多的加热化合物流入槽中以避免粘性作用的损失。 因此,实现了优异的散热,并且提高了打印质量。 耐热基板的翘曲和波浪被按压并固定在冷却板上。
    • 8. 发明授权
    • Thermal head and method for driving the same
    • 热头及其驱动方法
    • US5442381A
    • 1995-08-15
    • US80928
    • 1993-06-22
    • Koichi FukubeppuTakuji HashiguchiTsuyoshi YasutomiTetsuji Hyodo
    • Koichi FukubeppuTakuji HashiguchiTsuyoshi YasutomiTetsuji Hyodo
    • B41J2/37B41J2/35
    • B41J2/37
    • Disclosed is a thermal head comprising: plural heating elements, and a driving circuit element comprising plural switching elements connected individually to the heating elements, gate elements connected individually to the switching elements, and a shift register connected to the gate elements; wherein the plural heating elements are divided into plural blocks, and the gate elements of each block are connected to plural shift registers in the same number of bits as the number of heating elements of each block individually; strobe signals in the same number as the number of divisions of the block are fed into gate elements corresponding to each block; a clock gate element is provided in each block in order to obstruct clock input into the shift register corresponding to each block when printing of each block is active; and each block is further divided into plural small blocks, and the heating elements corresponding to each small block are disposed in every different block.
    • 公开了一种热敏头,包括:多个加热元件,以及包括单独连接到加热元件的多个开关元件,分别连接到开关元件的栅极元件和连接到栅极元件的移位寄存器的驱动电路元件; 其中多个加热元件被分成多个块,并且每个块的门元件分别以与每个块的加热元件的数量相同的位数连接到多个移位寄存器; 与块的分割数相同数量的选通信号被馈送到对应于每个块的门元件; 在每个块中提供时钟门元件,以便在每个块的打印有效时阻止与每个块对应的移位寄存器的时钟输入; 并且每个块进一步分成多个小块,并且与每个小块对应的加热元件设置在每个不同的块中。
    • 9. 发明授权
    • Thermal head
    • 热头
    • US5148188A
    • 1992-09-15
    • US525132
    • 1990-05-17
    • Shigenori OtaMasataka UchiyamaTsuyoshi Yasutomi
    • Shigenori OtaMasataka UchiyamaTsuyoshi Yasutomi
    • B41J2/335B41J2/345
    • B41J2/345
    • To the common electrode of the thermal head, the power source for heating and driving is connected to one end or both ends in the longitudinal direction of the common electrode. In this common electrode, as going from the connecting position of the power source for heating and driving, a voltage drop occurs, and the heat generation by the heating elements commonly connected to the common electrodes becomes uneven. Such uneven heat generation may lead to uneven contrast or defective coloring in the thermosensitive printing. The invention employs a conductive member which extends nearly over the entire length of the common electrode, and contacts with the common electrode over the entire length or at plural positions. As such conductive member, a metal foil or the like is used, and by inhibiting the occurrence of voltage drop, thermosensitive printing of high quality is realized.
    • 对于热敏头的公共电极,用于加热和驱动的电源连接到公共电极的纵向方向上的一端或两端。 在该公共电极中,从加热驱动用电源的连接位置开始发生电压降,并且与公共电极共同连接的加热元件的发热变得不均匀。 这种不均匀的发热可能导致热敏印刷中不均匀的对比度或着色不良。 本发明采用几乎在公共电极的整个长度上延伸的导电构件,并且在整个长度上或在多个位置与公共电极接触。 作为这种导电构件,使用金属箔等,通过抑制电压降的发生,实现了高质量的热敏印刷。