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    • 24. 发明授权
    • Crystal oscillator circuit with crystal reducing resistance and integrated circuit therefor
    • 晶体振荡电路具有降低电阻和集成电路
    • US06215370B1
    • 2001-04-10
    • US09004686
    • 1998-01-08
    • Eiichi HasegawaHaruhiko Otsuka
    • Eiichi HasegawaHaruhiko Otsuka
    • H03B532
    • H03K3/0307H03B5/36H03K3/012
    • A crystal oscillator circuit includes a CMOS invertor having an input terminal and an output terminal, a crystal resonator connected between the input terminal and the output terminal respectively at a first connection node and a second connection node, and a feedback resistor connected between the input terminal and the output terminal of the CMOS invertor. A first capacitor is provided between the first connection node and a power source terminal at a predetermined potential and a second capacitor is provided between the second connection node and a power source terminal at the predetermined potential. At least one resistor is disposed in series with at least one of the first capacitor and the second capacitor and has a resistance so as to limit a crystal current in the crystal resonator while maintaining negative resistance for stable oscillation. In an embodiment, a resistor is provided in series with each capacitor. Furthermore, an embodiment of the invention includes an integrated circuit permitting the above circuit structure with the crystal resonator and first and second capacitors accommodated external of the integrated circuit. Alternatively, the first and second capacitors may be accommodated on the integrated circuit.
    • 晶体振荡器电路包括具有输入端子和输出端子的CMOS反相器,分别在第一连接节点和第二连接节点处连接在输入端子和输出端子之间的晶体谐振器,以及连接在输入端子之间的反馈电阻器 和CMOS反相器的输出端子。 在第一连接节点和预定电位的电源端子之间提供第一电容器,并且在第二连接节点和处于预定电位的电源端子之间设置第二电容器。 至少一个电阻器与第一电容器和第二电容器中的至少一个串联布置,并且具有阻抗以限制晶体谐振器中的晶体电流,同时保持用于稳定振荡的负电阻。 在一个实施例中,提供与每个电容器串联的电阻器。 此外,本发明的实施例包括允许具有晶体谐振器的上述电路结构的集成电路,以及容纳在集成电路外部的第一和第二电容器。 或者,第一和第二电容器可以容纳在集成电路上。
    • 26. 发明授权
    • Process of producing color solid image pickup element base plates
    • 彩色固体摄像元件基板的制作工艺
    • US4397928A
    • 1983-08-09
    • US399080
    • 1982-07-16
    • Masamichi SatoEiichi HasegawaKoji Shimanuki
    • Masamichi SatoEiichi HasegawaKoji Shimanuki
    • H04N9/07G03C7/12H01L27/14H01L31/0216G03F5/00
    • H01L31/02162G03C7/12
    • A multicolor solid image pickup element base plate having bonding pat portions is produced by an on-wafer method utilizing a silver halide photographic emulsion. A solvent permeation preventing layer is formed on a solid image pickup element base plate having an array of a number of image elements. A silver halide emulsion layer is formed on that layer. A micro color filter composed of two or more color separation filter elements is then formed on the emulsion layer. The filter is formed by repeatedly applying a pattern exposure and color development onto the emulsion layer. A protective layer is formed over the entire surface of the base plate. The protective layer, silver halide emulsion layer, and solvent permeation preventing layer are then successively removed. Blackened silver portions may be formed in the emulsion layer at portions corresponding to bonding pat portions prior to the formation of the protective layer by applying thereto a pattern exposure followed by black and white development.
    • 通过使用卤化银照相乳剂的片上方法制造具有接合部分的多色固体摄像元件基板。 在具有多个图像元素的阵列的固体摄像元件基板上形成溶剂渗透防止层。 在该层上形成卤化银乳剂层。 然后在乳剂层上形成由两个或更多个分色过滤元件组成的微滤色器。 过滤器通过在乳剂层上重复地进行图案曝光和显色来形成。 在基板的整个表面上形成保护层。 然后连续地除去保护层,卤化银乳剂层和溶剂渗透防止层。 在形成保护层之前,通过施加图案曝光,然后进行黑白显影,可在乳剂层中形成对应于粘合片部分的部分的变黑银部分。