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Multifunctional and multilayer-plate type array voltage dependent resistor and preparation method of multifunctional and multilayer-plate type array voltage dependent resistor

A technology of varistors and multi-layer boards, applied in varistors, thin film varistors, resistors, etc., can solve problems such as poor noise absorption performance, affecting product use, slow response speed, etc., and achieve impact resistance and Strong vibration ability, improve the ability to resist electromagnetic interference, and ensure the effect of quality and reliability

Inactive Publication Date: 2017-05-31
BEIJING YUANLIU HONGYUAN ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The existing patent CN101667670B discloses "A Multilayer Plate Array Structure Ceramic Filter and Its Process", which mainly includes capacitors and its manufacturing process, and its interference products to transient noise are prone to breakdown failure and poor reliability
[0008] The existing patent CN103187668A discloses "Zinc Oxide-Based Multilayer Pressure-sensitive Planar Array for Filter Connector", in which the zinc oxide varistor mainly described has small electrostatic capacity, slow response speed, poor noise absorption performance, and large loss , affecting the use of the product

Method used

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  • Multifunctional and multilayer-plate type array voltage dependent resistor and preparation method of multifunctional and multilayer-plate type array voltage dependent resistor
  • Multifunctional and multilayer-plate type array voltage dependent resistor and preparation method of multifunctional and multilayer-plate type array voltage dependent resistor
  • Multifunctional and multilayer-plate type array voltage dependent resistor and preparation method of multifunctional and multilayer-plate type array voltage dependent resistor

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Embodiment 1

[0047] Such as Figure 1-4 As shown, in order to solve the problems existing in the prior art, the present invention provides a multifunctional multilayer plate array varistor, including: a resistor body 1, a ceramic diaphragm 2, a common ground electrode 3, a signal electrode 4, Ground terminal 5, signal terminal 6, surface coating layer 7 and signal hole 8;

[0048] The resistor body 1 of the present invention is an annular ceramic plate with a plurality of signal holes 8, and the axis of the signal hole 8 is parallel to the axis of the ceramic plate, as Figure 1-2 Shown; Resistor main body 1 of the present invention can also be set to other shapes, and resistor main body 1 is made of multilayer ceramic diaphragm 2 and inner electrode; Wherein:

[0049]The ceramic diaphragm 2 of the present invention does not perform arc treatment on the corners and edges, the thickness of the ceramic diaphragm 2 is 50um to 200um, and the ceramic diaphragm 2 is a sheet-like structure made ...

Embodiment 2

[0056] The invention provides a method for preparing a multifunctional multilayer plate array piezoresistor, comprising:

[0057] Step 1, preparing green chips by wet printing or casting;

[0058] Step 2, plasticizing and sintering the green chip to prepare the main body of the resistor;

[0059] Step 3. Prepare the ground terminal, the signal terminal and the surface coating layer on the main body of the resistor to complete the preparation of the multifunctional multi-layer plate array piezoresistor.

[0060] Among them, the present invention is the same as the existing stacked devices, by using wet printing or casting method to prepare the green chip, by using the die stamping method or laser forming method to process the raw material into a chip with a signal hole according to the required pattern size The green body is plastic-expelled and sintered, and the external electrodes are manufactured by printing or transfer printing and sintering. The following is a detailed d...

Embodiment 3

[0077] Such as Figure 1-4 As shown, the piezoresistor array of the present invention is circular in shape, with a diameter of 20.95mm and a thickness of 3.00mm. The number of layers of the internal electrode is 8 layers, the thickness of the two end layers (the uppermost layer / lower ceramic membrane plate) is 1000 μm, and the thickness of the middle layer (middle layer ceramic membrane plate) is uniform and 120 μm; the metal electrodes are built in two layers of ceramic substrates Between; the signal holes are independent of each other, the signal hole spacing adopts the standard density of 2.54mm, the lead-out is a circular pin lead, the hole diameter is 0.95mm, and the number of planar array contacts is 55; the signal pole lead-out is located on the ceramic plate The inner surface of the small hole in the inner surface; the ground electrode lead-out end is located on the outer surface of the ceramic plate, and the ground electrode lead-out end adopts an uninterrupted multi-...

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Abstract

The invention discloses a multifunctional and multilayer-plate type array voltage dependent resistor and a preparation method of the multifunctional and multilayer-plate type array voltage dependent resistor. A resistor main body is composed of a plurality of layers of ceramic membrane sheets and an inner electrode, wherein the inner electrode comprises a plurality of public grounding electrodes and signal electrodes; the plurality of public grounding electrodes and the plurality of signal electrode are alternately arrayed in a stacking direction of the ceramic membrane sheets; the public grounding electrodes and the signal electrodes are partially overlapped in the stacking direction; each public grounding electrode extends toward a signal hole from the peripheral surface of the resistor main body and an allowance is formed between the public grounding electrode and the signal hole; each signal electrode extends toward the resistor main body from the peripheral surface of the signal hole and an allowance is formed between the signal electrode and the peripheral surface; a grounding leading-out end for covering leading-out parts of all the public grounding electrodes is arranged on the peripheral surface of the resistor main body; a signal leading-out end for covering leading-out parts of all the signal electrodes is arranged on the signal hole. By adopting the multifunctional and multilayer-plate type array voltage dependent resistor disclosed by the invention, the anti-electromagnetic interference capability of a filter connector can be effectively improved, and the electromagnetic interference problem of an interface is solved.

Description

technical field [0001] The invention relates to the technical field of resistors, in particular to a multifunctional multilayer plate array piezoresistor for filter connectors and a preparation method thereof. Background technique [0002] With the continuous promotion and application of integrated circuits and large-scale integrated circuits in electronic equipment, computers and household appliances, the interference of electromagnetic waves has increasingly seriously affected the safe use of circuits. Especially transient noise interference, due to its fast rising speed, short duration, high voltage amplitude (hundreds of volts to thousands of volts), strong randomness, etc., it is easy to cause serious interference to microcomputers and digital circuits, affecting the operation of the circuit. Stable operation. [0003] For an electronic system, all kinds of electromagnetic interference are the most serious at the interface of the equipment. At the interface, the electr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01C7/10H01C17/28H01C17/06
CPCH01C7/1013H01C7/10H01C17/06506H01C17/28
Inventor 吴爱忠
Owner BEIJING YUANLIU HONGYUAN ELECTRONICS TECH
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