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Crystal oscillator with layout structure for miniaturized size

A technology of crystal oscillator and layout structure, which is applied in the field of piezoelectric devices, can solve the problems of poor packaging and test pass rate, and achieve the effects of high mass production, shortened relative position, and improved flexibility

Active Publication Date: 2015-10-21
TXC CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of the present invention is to provide a crystal oscillator with a layout structure for the miniaturization size, so as to solve the problem of poor packaging and test pass rate caused by the miniaturization of the circuit layout of the existing crystal oscillator in the past

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  • Crystal oscillator with layout structure for miniaturized size
  • Crystal oscillator with layout structure for miniaturized size
  • Crystal oscillator with layout structure for miniaturized size

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Embodiment Construction

[0028] The present invention is a crystal oscillator with a layout structure for miniaturized size, which can be used in the layout of quartz clock crystal oscillators, programmable quartz crystal oscillators, voltage-controlled quartz crystal oscillators and temperature-compensated quartz crystal oscillators structure, when the circuit layout is performed, the electrical contacts of the patterned circuit are symmetrically concentrated from the outside to the center of the first groove, and the electrical contacts are located under the crystal oscillator integrated circuit, so it can be used in a limited platform space In this way, the flexibility of circuit layout can be improved, so the first groove can free up enough layout space, and the pattern of at least two patterned electrical units can be expanded to the maximum, while increasing the crystal oscillator in the process The area of ​​the pattern required for testing the piezoelectric element is improved, thereby improvin...

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Abstract

The invention provides a crystal oscillator equipped with a layout structure aiming at a miniaturization size, at least comprising a platform possessing first and second grooves, a plurality of internal leads arranged in the interior of the platform, a crystal oscillation integrated circuit connected with the internal leads and a plurality of patterned circuits arranged in the first groove, wherein the electrical connecting points of the patterned circuits are symmetrically concentrated in the center of the first groove from exterior, so that the first groove can have enough layout area, and the patterns at the other ends of patterned electrical units can be expanded to maximization to solve the problem that the package and test qualified rate are bad when the conventional crystal oscillator layout is carried out miniaturization. In addition, the crystal oscillator equipped with the layout structure aiming at the miniaturization size of the invention enables the relative distance of the crystal oscillator integrated circuit pins to be shortened, and for a platform needing flip chip, the parallelism demand of the platform can also be reduced.

Description

technical field [0001] The invention relates to a piezoelectric device, in particular to an oscillator piezoelectric device. Background technique [0002] Using quartz crystal piezoelectric elements as oscillators is currently the most accurate and stable oscillator. The International Electrotechnical Commission (IEC) divides quartz crystal piezoelectric element oscillators into four categories: quartz clock crystal oscillators (Simple Package Crystal Oscillator, SPXO), Voltage Controlled Crystal Oscillator (VCXO), Temperature Compensated Crystal Oscillator (TCXO), Oven Controlled Crystal Oscillator, OCXO ), with the vigorous development of the electronics industry, electronic products have entered the research and development direction of multi-function, high performance and light weight. In order to meet the packaging requirements of high integration and miniaturization of semiconductor chips, the past circuit layout methods are no longer sufficient. Use, the existing osc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03H9/19H03H9/02
CPCH01L2924/0002
Inventor 姜健伟
Owner TXC CORP
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