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    • 1. 发明申请
    • MULTILAYER CERAMIC SUBSTRATE
    • 多层陶瓷基板
    • US20100055393A1
    • 2010-03-04
    • US12467542
    • 2009-05-18
    • Yun Hwi PARKBong Gyun KimYoon Hyuck Choi
    • Yun Hwi PARKBong Gyun KimYoon Hyuck Choi
    • B32B3/10
    • H05K3/4061H05K1/0242H05K3/4629H05K2201/0269H05K2201/096H05K2203/082Y10T428/24322Y10T428/24926
    • There is provided a multilayer ceramic substrate including a conductive via of a dual-layer structure capable of preventing loss in electrical conductivity and signal. The multilayer ceramic substrate includes: a plurality of dielectric layers; and a circuit pattern part formed on at least a portion of the dielectric layers, the circuit pattern part including at least one conductive via and conductive pattern, wherein the at least one conductive via comprises an outer peripheral portion and an inner peripheral portion, the outer peripheral portion formed along an inner wall of a via hole extending through the dielectric layers and formed of a first conductive material containing a metal, and the inner peripheral portion filled in the outer peripheral portion and formed of a second conductive material having a shrinkage initiation temperature higher than a shrinkage initiation temperature of the first conductive material.
    • 提供了一种包括能够防止导电性和信号损失的双层结构的导电通孔的多层陶瓷基板。 多层陶瓷基板包括:多个电介质层; 以及形成在所述电介质层的至少一部分上的电路图形部分,所述电路图形部分包括至少一个导电通路和导电图案,其中所述至少一个导电通孔包括外周部分和内周部分, 沿着贯穿电介质层的通路孔的内壁形成的周边部分,并且由包含金属的第一导电材料形成,并且内周部分填充在外周部分中,并由具有收缩起始温度的第二导电材料形成 高于第一导电材料的收缩起始温度。
    • 6. 发明申请
    • WIRELESS COMMUNICATION MODULE
    • 无线通信模块
    • US20090184779A1
    • 2009-07-23
    • US12336102
    • 2008-12-16
    • Yun Hee CHOYun Hwi PARK
    • Yun Hee CHOYun Hwi PARK
    • H03H5/00
    • H05K1/165H03H7/0123H03H7/1791H03H7/383H03H7/422H03H2001/0085H05K1/0237H05K1/0298H05K2201/1006
    • A wireless communication module includes a laminated substrate where a plurality of dielectric sheets are laminated, a band pass filter, a balun circuit, and first and second matching circuits. The band pass filter is formed in the laminated substrate. The balun circuit is formed in the laminated substrate, and includes an unbalanced element having one end connected to the band pass filter. The first and second matching circuits are formed in the laminated substrate, and each of them is connected to one end of each of balanced elements of the balun circuit. Herein, at least one of the band pass filter, the balun circuit, the first matching circuit, and the second matching circuit is formed between the dielectric sheets of the laminated substrate using a distributed element.
    • 无线通信模块包括层叠多个电介质片的层叠基板,带通滤波器,平衡 - 不平衡转换电路以及第一和第二匹配电路。 带通滤波器形成在层叠基板中。 平衡 - 不平衡转换电路形成在层压基板中,并且包括具有连接到带通滤波器的一端的不平衡元件。 第一和第二匹配电路形成在层压基板中,并且它们中的每一个连接到平衡 - 不平衡转换电路的每个平衡元件的一端。 这里,使用分散元件在层叠基板的电介质片之间形成带通滤波器,平衡 - 不平衡变换电路,第一匹配电路和第二匹配电路中的至少一个。