Glass antenna for automobile
    1.
    发明授权
    Glass antenna for automobile 失效
    汽车玻璃天线

    公开(公告)号:US5334988A

    公开(公告)日:1994-08-02

    申请号:US857376

    申请日:1992-03-25

    IPC分类号: H01Q1/32 H01Q1/12 H01Q21/30

    CPC分类号: H01Q1/1278

    摘要: A glass antenna for an automobile uses a coil connected directly to a bus for defogging heaters as an FM subsidiary antenna and a T-shaped impedance matching circuit to provide a monotone change of impedance within the FM frequency band. A reverse T-shaped FM main antenna is employed in conjunction with the FM subsidiary antenna to provide a diversity system to enhance receiving sensitivity in entire directions. The T-shaped matching circuit comprises at least two varactor diodes each applied to a channel selection voltage to match the FM antenna impedance with that of the FM receiver including that of the transmission cable.

    摘要翻译: 用于汽车的玻璃天线使用直接连接到总线上的线圈,用于将加热器除雾作为FM辅助天线和T形阻抗匹配电路,以提供FM频带内的阻抗的单调变化。 与FM辅助天线结合使用反向T形FM主天线,以提供分集系统,以提高整个方向的接收灵敏度。 T形匹配电路包括至少两个变容二极管,每个变容二极管分别施加到通道选择电压以使FM天线阻抗与包括传输电缆的FM接收机的FM天线阻抗匹配。

    Method of forming a functional film
    2.
    发明授权
    Method of forming a functional film 失效
    形成功能膜的方法

    公开(公告)号:US5587260A

    公开(公告)日:1996-12-24

    申请号:US304950

    申请日:1994-09-13

    CPC分类号: G03F7/00 G02F1/133512

    摘要: There is provided a method of forming a micro-patterned functional film with a high precision on a substrate comprising:(a) a step of forming a positive or negative-type photoresist film on the entire surface of a substrate having a conductive layer thereon;(b) an exposure step of irradiating light to the surface of the already formed positive or negative-type photoresist film through overlapped photo-masks having patterns that makes the film cover the substrate except for the predetermined part for forming a functional film in the next developing step;(c) a developing step of removing the photoresist film of the predetermined part for forming a functional film;(d) a step of forming a functional film on the substrate in the part where said photoresist film is removed, by electrodeposition with said conductive layer as one electrode; and(e) a step of removing the positive or negative-type photoresist film remaining after the step (c).Especially a functional film having such lattice-like or stripe-like micro-patterns as being less than about 200 .mu.m in shortest spatial width can be formed.

    摘要翻译: 提供了一种在衬底上高精度地形成微图形化功能膜的方法,包括:(a)在其上具有导电层的衬底的整个表面上形成正或负型光致抗蚀剂膜的步骤; (b)曝光步骤,通过具有图案的重叠光掩模将光照射到已经形成的正型或负型光致抗蚀剂膜的表面上,所述图案使膜覆盖除了用于形成下一个功能膜的预定部分之外的基板 发展步伐 (c)去除用于形成功能膜的预定部分的光致抗蚀剂膜的显影步骤; (d)通过将所述导电层作为一个电极进行电沉积,在除去所述光致抗蚀剂膜的部分的基板上形成功能膜的步骤; 和(e)除去在步骤(c)之后残留的正型或负型光致抗蚀剂膜的步骤。 特别地,可以形成具有在最短空间宽度上小于约200μm的格状或条状微图案的功能膜。