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Circuit board with imbedded capacitance and electric resistance structure

A resistive structure and embedded technology, which is applied in the direction of including printed electrical components, can solve the problems that cannot fully meet the circuit design.

Inactive Publication Date: 2010-04-07
UNIMICRON TECH CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, standardization of passive components with specific electrical numeric values ​​may not be fully compatible with specific circuit designs, so making passive components directly inside the circuit board is a feasible solution

Method used

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  • Circuit board with imbedded capacitance and electric resistance structure
  • Circuit board with imbedded capacitance and electric resistance structure
  • Circuit board with imbedded capacitance and electric resistance structure

Examples

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Embodiment Construction

[0055] figure 1 Is a schematic structural diagram of a circuit board with an embedded capacitor and resistor structure according to an embodiment of the present invention, and Figure 2 to Figure 4 They are structural schematic diagrams of circuit boards with embedded capacitor and resistor structures according to other embodiments of the present invention. Please refer first figure 1 , The circuit board 100A with an embedded capacitor and resistor structure includes a first dielectric layer 110 and a first circuit layer 120. The material of the first dielectric layer 110 is, for example, a dielectric resin, and the material of the first circuit layer 120 is, for example, a patterned copper foil (copper foil) or other conductive film, which is disposed in On the first dielectric layer 110, there are a first upper electrode 122a and a second upper electrode 122b.

[0056] The circuit board 100A further includes a capacitor material layer 130 and a bottom electrode 140. The capaci...

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Abstract

The invention discloses a circuit board which is provided with an embedded capacitor and a resistance structure, comprising a first dielectric layer, a first line layer, a second dielectric layer andasecond line layer, a capacitance material layer and a lower electrode embedded in the first dielectric layer, a first resistance material layer and a first guide hole which are sequentially piled; th e lower electrode is arranged at one side of the capacitance material layer; the first upper electrode and the second upper electrode of the first line layer are arranged at the other side of the capacitance material layer corresponding to the lower electrode; furthermore, the lower electrode is connected with the first upper electrode or the second upper electrode; the first connection pad of thesecond line layer passes through the first guide hole of the second dielectric layer and is connected with the first resistance material layer which coves at least part of the first upper electrode.

Description

Technical field [0001] The present invention relates to a circuit board, and in particular to a circuit board with embedded capacitance and resistance structures. Background technique [0002] With the development of science and technology, the integration of electronic products is getting higher and higher, and the circuit layer of the circuit board used in it has increased from a single layer, 2 layers to 6 layers, 8 layers and even More than 10 layers, so that the electronic components can be more densely mounted on the circuit board. However, with the increase in the number of circuit boards and the denser circuits, the electrical signals transmitted in the circuit boards are affected by the RC delay or cross talk effect. The more obvious. Therefore, the circuit board must be equipped with passive components in a limited configuration area to improve its electrical properties. [0003] In summary, many electronic elements are usually required on the circuit board, including ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05K1/16
Inventor 范智朋贾妍缇
Owner UNIMICRON TECH CORP
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