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Circuit comprising a capacitor and at least one semiconductor component, and method for designing same

A technology of electronic circuits and circuits, applied in the direction of circuits, radio/inductive link selection arrangements, capacitors, etc., can solve the problem of high cost of electronic circuits

Inactive Publication Date: 2008-12-03
圣微电子股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The area occupied by the circuit on the substrate is therefore larger and the cost of the electronic circuit is therefore high

Method used

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  • Circuit comprising a capacitor and at least one semiconductor component, and method for designing same
  • Circuit comprising a capacitor and at least one semiconductor component, and method for designing same

Examples

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Embodiment Construction

[0026] In the drawings, the dimensions of the various parts of the components are shown not to scale to their actual dimensions for the sake of clarity. D denotes a direction perpendicular to the substrate surface. The orientation of direction D is upward in the Figures, and the words "upper", "lower", "below" and "above" are used herein to refer to this orientation.

[0027] For example, an electronic circuit utilizing the present invention forms part of a first stage of a radio frequency signal processing circuit incorporated into a mobile communication terminal. The first stage of this circuit is generally referred to as the "baseband stage". In particular, it may be a filter whose electronic operation, known to those skilled in the art, can be designed to operate in GSM / DSC mode or in W-CDMA mode. This type of analog circuit requires perfect linearity and a very low level of interfering noise, which makes the use of the present invention advantageous. For example for th...

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PUM

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Abstract

An electronic circuit includes a substrate. A capacitor and at least one semiconductor component are supported by a surface of the substrate. A substantially planar screen, oriented parallel to the surface of the substrate and made of metallic material, is placed between the capacitor and the semiconductor component. Preferably, the semiconductor component is placed in proximity to the surface of the substrate and several superposed layers of insulating material cover the surface of the substrate and the semiconductor component. The capacitor is then placed within at least one layer of insulating material above the semiconductor component, and the screen is placed within an intermediate layer of insulating material between the layer incorporating the capacitor and the surface of the substrate.

Description

technical field [0001] The invention relates to an integrated electronic circuit comprising at least one capacitor. In particular, it relates to an integrated circuit in which the operation of the capacitor is liable to be disturbed by semiconductor components arranged in the vicinity of the capacitor, or vice versa. Background technique [0002] Electronic circuits for many applications include a first capacitor with a substantially planar metal plate, in addition to other semiconductor components such as transistors, diodes and resistors, or possibly a second capacitor of a different type than the first capacitor. The substantially planar metal plate constituting the first capacitor is substantially parallel to the substrate surface and may have relatively large geometrical dimensions, such as for example about 50 microns sides. Hereinafter "capacitor" denotes a first capacitor having a substantially planar metal plate, it being understood that a second capacitor as descr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L23/66H01L23/52H01G17/00H01L21/3205H01L21/4763H01L21/76H01L21/822H01L23/48H01L23/522H01L23/58H01L27/04H04Q7/20
CPCY10S257/906H01L23/5222H01L2924/0002H01L2924/00
Inventor A·卡西林C·波那德P·德尔派齐P·特罗德克L·萨拉吉尔C·加尼尔
Owner 圣微电子股份有限公司
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