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    • 25. 发明授权
    • Ferroelectric memory and manufacturing method thereof
    • 铁电存储器
    • US06586793B2
    • 2003-07-01
    • US09984518
    • 2001-10-30
    • Keitaro ImaiKoji Yamakawa
    • Keitaro ImaiKoji Yamakawa
    • H01L2976
    • H01L27/11502H01L27/11507H01L28/55H01L28/91
    • A ferroelectric memory includes first and second plugs respectively connected to one and the other of source/drain regions of the transistor formed on a semiconductor wafer. A first capacitor electrode is connected to the first plug and located at a position above the transistor. The first capacitor electrode includes first and second capacitor faces on the second plug side and a side reverse thereto, respectively. A ferroelectric film is disposed on the first capacitor face. A second capacitor electrode is connected to the second plug and located at a position above the transistor. The second capacitor electrode is disposed on the first capacitor face through the ferroelectric film.
    • 铁电存储器包括分别连接到形成在半导体晶片上的晶体管的源极/漏极区域中的一个和另一个的第一和第二插头。 第一电容器电极连接到第一插头并且位于晶体管上方的位置处。 第一电容器电极包括分别在第二插头侧的第一和第二电容器面和与其相反的一侧。 铁电体膜设置在第一电容器面上。 第二电容器电极连接到第二插头并且位于晶体管上方的位置。 第二电容器电极通过铁电体膜设置在第一电容器面上。
    • 27. 发明授权
    • Method for manufacturing a liquid jet recording head
    • 液体喷射记录头的制造方法
    • US06349239B2
    • 2002-02-19
    • US09041013
    • 1998-03-12
    • Tsuyoshi OrikasaKoji YamakawaHiroyuki KigamiKimiyuki HayasakiHisashi FukaiTakayuki OnoMasayoshi Ohkawa
    • Tsuyoshi OrikasaKoji YamakawaHiroyuki KigamiKimiyuki HayasakiHisashi FukaiTakayuki OnoMasayoshi Ohkawa
    • G06F1900
    • B41J2/14024
    • A method for manufacturing a liquid jet recording head comprises of the steps of calculating the difference between the distance B from the first heater on the element substrate to the cut face of the element substrate and the distance A from the first flow path groove on the ceiling plate to the abutment reference of the ceiling plate, measuring the amounts of deviation in the positional precisions in the state where the element substrates and the ceiling plates are actually positioned, working out a correction value from the distributional condition of such deviations, feeding back the correction value for determining the corrected amount of retraction. Then, after the abutment reference of the ceiling plate is allowed to abut upon the cut face of the element substrate by means of a push jig, retraction is performed by moving the ceiling plate by means of a retraction jig in the reverse direction with respect to the element substrate, hence positioning the ceiling plate and the element substrate. With the method thus arranged, it is made possible to perform positioning in a higher precision at lower costs with a shorter tact time, thus manufacturing a highly precise and highly reliable liquid jet recording head.
    • 液体喷射记录头的制造方法包括以下步骤:计算元件基板上的第一加热器与元件基板的切割面的距离B与元件基板的切割面的距离A与天花板上的第一流路槽的距离A之差 测量顶板的对接基准,测量元件基板和顶板实际定位状态下位置精度的偏差量,根据这种偏差的分布条件制定校正值,反馈 用于确定校正后的回缩量的校正值。 然后,借助于推动夹具使顶板的抵接基准与元件基板的切割面抵接后,通过相对于背板的相反方向的退避夹具移动顶板来进行缩回 元件基板,因此定位顶板和元件基板。 利用如此布置的方法,可以以更短的节拍时间以更低的成本以更高的精度执行定位,从而制造高精度和高可靠性的液体喷射记录头。