Manufacturing method of composite oxide ceramic chopper

A composite oxide and manufacturing method technology, which is applied in the field of special ceramic molding, can solve problems such as difficult manufacturing of ceramic choppers, and achieve the effects of less green body molding defects, easy industrial production, and simple process

Active Publication Date: 2015-10-07
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Bonding capillary is a wire bonding tool for spherical wire bonding in the field of microelectronic packaging. It is used as a welding needle of a bonding machine and is suitable for silicon controlled rectifiers, surface acoustic waves, LEDs, diodes, triodes, and IC chips. On the bonding package of other lines, the pads and pins are electrically interconnected through the gold wire passing through the ceramic chopper. At present, it is difficult for domestic molding technology to manufacture ceramics with small apertures and suitable tapers. chopper

Method used

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  • Manufacturing method of composite oxide ceramic chopper
  • Manufacturing method of composite oxide ceramic chopper

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for manufacturing a composite oxide ceramic chopper, comprising the steps of:

[0021] Step 1: Dissolve 0.05g of acrylamide (AM), 0.01g of N,N'-methylenebisacrylamide (MBAM) and 0.03g of dispersant in 16mL of distilled water to prepare a premix solution, and adjust the pH value to 9.5~ 11;

[0022] Step 2, adding 30g of alumina ceramic powder, 10g of chromium oxide, and 15g of zirconia to the premixed solution, and then adding zirconia balls and ball milling for 24-48 hours;

[0023] Step 3, then add 0.3g ammonium persulfate (APS) and 0.3g n-octanol, and ball mill evenly to obtain slurry;

[0024] Step 4, pour the obtained slurry into the mold, cover the mold lid, and let it stand at room temperature for 5 to 15 minutes to polymerize the organic monomers in the slurry, that is, the gelation process. During this process, the organic monomers The body and the cross-linking agent work together to form a strong three-dimensional network structure, so that the alu...

Embodiment 2

[0028] A method for manufacturing a composite oxide ceramic chopper, comprising the steps of:

[0029] Step 1: Dissolve 0.2g of acrylamide (AM), 0.3g of N,N'-methylenebisacrylamide (MBAM) and 1g of dispersant in 32mL of distilled water to prepare a premix, and adjust the pH to 9.5-11 ;

[0030] Step 2, adding 45g of alumina ceramic powder, 13g of chromium oxide, and 20g of zirconia to the premixed solution, and then adding zirconia balls and ball milling for 24 to 48 hours;

[0031] Step 3, then add 3g ammonium persulfate (APS) and 3g n-octanol, and ball mill evenly to obtain slurry;

[0032] Step 4, pour the obtained slurry into the mold, cover the mold lid, and let it stand at room temperature for 5 to 15 minutes to polymerize the organic monomers in the slurry, that is, the gelation process. During this process, the organic monomers The body and the cross-linking agent work together to form a strong three-dimensional network structure, so that the alumina particles are so...

Embodiment 3

[0035] A method for manufacturing a composite oxide ceramic chopper, comprising the steps of:

[0036] Step 1: Dissolve 0.01g of acrylamide (AM), 0.002g of N,N'-methylenebisacrylamide (MBAM) and 0.006g of dispersant in 23mL of distilled water to prepare a premix solution, and adjust the pH value to 9.5~ 11;

[0037] Step 2, adding 40g of alumina ceramic powder, 10g of chromium oxide, and 25g of zirconia to the premixed liquid, and then adding zirconia balls and ball milling for 24-48 hours;

[0038] Step 3, then add 5g ammonium persulfate (APS) and 4g n-octanol, and ball mill evenly to obtain slurry;

[0039] Step 4, pour the obtained slurry into the mold, cover the mold lid, and let it stand at room temperature for 5 to 15 minutes to polymerize the organic monomers in the slurry, that is, the gelation process. During this process, the organic monomers The body and the cross-linking agent work together to form a strong three-dimensional network structure, so that the alumina...

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Abstract

The invention provides a manufacturing method of a composite oxide ceramic chopper. The method includes the steps of dissolving organic monomers, cross-linking agents and dispersing agents in distilled water to prepare premixed liquid, adding aluminum oxide ceramic powder, adding zirconium oxide balls to conduct ball milling, adding initiating agents and defoaming agents, conducting uniform ball milling to obtain sizing agents, pouring the sizing agents in a mold, covering the mold with a mold cover, standing still at the room temperature, polymerizing the organic monomers in the sizing agents to achieve the gelatinization process, taking the mixture out of the mold, and conducting drying and sintering in a vacuum oven, wherein steel needles with the diameter of 0.02 mm to 0.08 mm are arranged on the lower portion of the mold cover. The composite oxide ceramic chopper is manufactured through the gel casting process, the in-situ curing process of high-concentration suspensoid sol and the slip casting process of ceramic bodies are effectively combined, ceramic chopper green bodies which are high in density and strength and quite uniform in component and structure can be manufactured within a short time, the manufacturing method has the advantages of being simple in process, economical in cost, few in green body forming defect and the like, and the composite oxide ceramic chopper can be more easily produced in an industrialized mode.

Description

technical field [0001] The invention belongs to the technical field of forming special ceramics, and in particular relates to a method for manufacturing a composite oxide ceramic chopper. Background technique [0002] Bonding capillary is a wire bonding tool for spherical wire bonding in the field of microelectronic packaging. It is used as a welding needle of a bonding machine and is suitable for silicon controlled rectifiers, surface acoustic waves, LEDs, diodes, triodes, and IC chips. On the bonding package of other lines, the pads and pins are electrically interconnected through the gold wire passing through the ceramic chopper. At present, it is difficult for domestic molding technology to manufacture ceramics with small apertures and suitable tapers. chopper. Contents of the invention [0003] In order to overcome the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a method for manufacturing a composite oxide ceramic ...

Claims

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Application Information

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IPC IPC(8): C04B35/632C04B35/10C04B35/48C04B35/622
Inventor 王秀峰宫在磊王莉丽江红涛
Owner SHAANXI UNIV OF SCI & TECH
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