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    • 73. 发明授权
    • Method of producing substrate for ink jet recording head, ink jet
recording head and ink jet recording apparatus
    • 喷墨记录头用基板的制造方法,喷墨记录头及喷墨记录装置
    • US5660739A
    • 1997-08-26
    • US517692
    • 1995-08-22
    • Teruo OzakiMasami IkedaMasami KasamotoToshihiro MoriMasahiko TonogakiYuji Kamiyama
    • Teruo OzakiMasami IkedaMasami KasamotoToshihiro MoriMasahiko TonogakiYuji Kamiyama
    • B41J2/16B41J2/05
    • B41J2/14129B41J2/1604B41J2/1629B41J2/1631B41J2/1642B41J2/1646
    • A method for producing a substrate for an ink jet recording head comprises preparing a substrate with plural heat generating resistors for applying heat to the ink, plural wirings electrically connected thereto, and plural heat generating areas formed by the heat generating resistors exposed from the wirings, coating the heat generating resistors and the wirings on the substrate with a first insulating protective film, removing the first insulating protective film by wet etching in portions on the heat generating areas, and coating thus etched first insulating protective film with a second insulating protective film, wherein the etched portion of the first insulating protective film, in the longitudinal direction of the heat generating area, is positioned inside from the end of the heat generating area, by at least 1/2 of the thickness of the first and second insulating protective films covering the wirings.The protective film is thus made thinner on the heat generating areas, thus reducing the electric power consumption while maintaining sufficient durability.
    • 一种喷墨记录头用基板的制造方法,其特征在于,准备具有多个发热电阻器的基板,所述多个发热电阻器对所述墨水进行加热,多个配线电连接,以及由所述发热电阻体从所述布线露出的多个发热区域, 用第一绝缘保护膜将发热电阻和布线涂覆在基板上,通过在发热区域上的部分湿法蚀刻去除第一绝缘保护膜,并用第二绝缘保护膜涂覆这样蚀刻的第一绝缘保护膜, 其特征在于,所述第一绝缘保护膜的沿所述发热区域的长度方向的所述蚀刻部分位于所述发热区域的端部的内侧,至少为所述发热区域的厚度的+ E,fra 1/2 + EE 覆盖布线的第一和第二绝缘保护膜。 因此,保护​​膜在发热区域上变薄,从而在保持足够的耐久性的同时降低电力消耗。
    • 79. 发明授权
    • Head substrate, printhead, head cartridge, printing apparatus, and method for inputting/outputting information
    • 头基板,打印头,头盒,打印装置以及输入/输出信息的方法
    • US07309120B2
    • 2007-12-18
    • US11564704
    • 2006-11-29
    • Takuya HatsuiYoshiyuki ImanakaTeruo OzakiYoshiyuki Toge
    • Takuya HatsuiYoshiyuki ImanakaTeruo OzakiYoshiyuki Toge
    • B41J2/05
    • B41J2/14072B41J2/17546B41J2202/17
    • An object of this invention is to provide a safe and reliable head substrate having a fuse ROM without increasing the substrate size. To achieve the object, a head substrate includes a plurality of printing elements for printing, first driving elements which drive the printing elements, a fuse ROM which stores information, a second driving element which drives the fuse ROM, input device for inputting a printing signal to cause the plurality of printing elements to print and a block selection signal to time-divisionally drive the printing elements, selective driving device for selectively driving the first driving elements on the basis of the input printing signal and block selection signal, a first pad which applies a first voltage to the fuse ROM to write information, and a second pad which applies a second voltage to read out the information from the fuse ROM. In order to selectively drive the second driving element to operate the fuse ROM, the second driving element connects to the selective driving device, and the fuse ROM is selectively operative on the basis of the signals input from the input device.
    • 本发明的目的是提供一种安全可靠的头基板,其具有熔丝ROM而不增加基板尺寸。 为了实现该目的,头基板包括用于打印的多个打印元件,驱动打印元件的第一驱动元件,存储信息的熔丝ROM,驱动熔丝ROM的第二驱动元件,用于输入打印信号的输入装置 以使得所述多个打印元件被打印,并且块选择信号以时分驱动所述打印元件,所述选择驱动装置用于基于所述输入打印信号和块选择信号选择性地驱动所述第一驱动元件;第一垫, 向熔丝ROM施加第一电压以写入信息,以及施加第二电压以从熔丝ROM读出信息的第二焊盘。 为了选择性地驱动第二驱动元件来操作熔丝ROM,第二驱动元件连接到选择驱动装置,并且基于从输入装置输入的信号选择性地操作熔丝ROM。