Multilayer electronic device including a capacitor having a precisely controlled capacitive area
A technology for electronic devices and capacitors, applied in directions including printed capacitors, fixed capacitor electrodes, fixed capacitor dielectrics, etc., can solve problems such as increasing difficulty
Active Publication Date: 2021-08-06
KYOCERA AVX COMPONENTS CORP (N D GES D STAATES DELAWARE)
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To obtain such capacitors, a very small capacitive area must be precisely controlled, which further increases the difficulty of forming such precise capacitors
Method used
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[0117] Figure 6A A perspective view of another embodiment of a multilayer filter 600 according to aspects of the disclosure is shown. Figure 6B show Figure 6A Another perspective view of the multi-layer filter 600. filter 600 can generally be similar to the one above with reference to Figure 3 to Figure 5D The filter 300 is configured in the manner described. Filter 600 may include an input 602 , an output 604 , and a signal path 606 connecting input 602 and output 604 . Filter 600 may also include a ground plane 608 electrically connected to one or more ground electrodes 610 .
[0118] Filter 600 may include a first inductor 612 electrically connected to ground plane 608 . The first inductor 612 may correspond to the above referenced figure 2 The first inductor 208 of the circuit diagram 200 is depicted. Filter 600 may include a first capacitor 614 electrically coupled to ground plane 608 . The first capacitor 614 may correspond to the above-referenced figure 2...
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Abstract
A multilayer electronic device may include a plurality of dielectric layers stacked in a Z-direction that is perpendicular to an X-Y plane. The device may include a first conductive layer overlying one of the plurality of dielectric layers. The multilayer electronic device may include a second conductive layer overlying another of the plurality of dielectric layers and spaced apart from the first conductive layer in the Z-direction. The second conductive layer may overlap the first conductive layer in the X-Y plane at an overlapping area to form a capacitor. The first conductive layer may have a pair of parallel edges at a boundary of the overlapping area and an offset edge within the overlapping area that is parallel with the pair of parallel edges. An offset distance between the offset edge and at least one of the pair of parallel edges may be less than about 500 microns.
Description
[0001] Cross References to Related Applications [0002] This application claims the benefit of U.S. Provisional Patent Application Serial No. 62 / 782,496, filed December 20, 2018, which is hereby incorporated by reference in its entirety. Background technique [0003] Multilayer electronic devices often include capacitors. For example, multilayer filters typically include one or more capacitors designed to provide very specific capacitance values. However, precise control of the capacitance of such capacitors can be difficult to achieve because it involves precise control of the capacitive area of the capacitor. [0004] Precise control of capacitance is especially important in high frequency filters. Filtering of high frequency signals such as high frequency radio signal communications has become increasingly popular recently. The need to increase data transfer speeds over wireless connections is driving demand for high-frequency components, including components configur...
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IPC IPC(8): H01P1/203H05K1/16H01P1/201H10N97/00
CPCH01L28/60H05K3/4697H05K1/162H05K2201/1003H05K2201/10015H05K2201/10515H01G4/232H01G4/33H01G4/012H01G4/306H01G4/30H01G4/40H01G4/38H01G4/005H01G4/12H01G2/065H05K1/11H03H7/01H03H2001/0085H03H7/0115
Inventor 崔权玛丽安·贝罗里尼
Owner KYOCERA AVX COMPONENTS CORP (N D GES D STAATES DELAWARE)