CN104961470B - A kind of manufacture method of compound oxidate ceramic chopper - Google Patents
A kind of manufacture method of compound oxidate ceramic chopper Download PDFInfo
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Abstract
A kind of manufacture method of compound oxidate ceramic chopper, organic monomer, crosslinking agent and dispersant are dissolved in distilled water and are configured to premixed liquid, aluminium oxide ceramics powder is added, adds zirconium oxide ballstone ball milling, then initiator and defrother are added, ball milling obtains slurry；Slurry is poured into mould, mold lid is covered, stands at room temperature, polymerize the organic monomer in slurry, i.e. gelation process, wherein the lower section of mold lid carries 0.02~0.08mm of diameter draw point；Deviate from mould, the drying and sintering in vacuum drying oven, the present invention prepares compound oxidate ceramic chopper using gel injection molding and forming technology, effectively combine the in-situ solidifying technique of high-density suspended floating body colloidal sol and the slip-casting shaping process of ceramic body, high density, high intensity, composition and the highly uniform ceramic chopper base substrate of structure can be prepared in a short time, have the advantages that technique is simple, cost economy, blank forming defect are few, it is easier to industrialized production.
Description
Technical field
The invention belongs to special cermacis field shaping technique, more particularly to a kind of manufacturer of compound oxidate ceramic chopper
Method.
Background technology
Ceramic chopper（Bonding capillary）, it is the wire bonding tool of spherical wire bonding in microelectronics Packaging field,
Syringe needle is welded as one of bonder, it is adaptable to the circuit such as controllable silicon, surface acoustic wave, LED, diode, triode, IC chip
Bonding packaging on, pad and pin are formed into good electric interconnection by the gold thread through ceramic chopper, it is at present, domestic
Forming technique is still difficult to produce the ceramic chopper with small-bore and suitable taper.
The content of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of compound oxidate ceramic chopper
Manufacture method, can obtain smaller aperture due and suitable taper.
To achieve these goals, the technical solution adopted by the present invention is：
A kind of manufacture method of compound oxidate ceramic chopper, comprises the following steps：
Step 1, organic monomer, crosslinking agent and dispersant are dissolved in distilled water and are configured to premixed liquid, and adjust pH value
To 9.5~11；
Step 2, aluminium oxide ceramics powder is added into the premixed liquid, 24~48h of zirconium oxide ballstone ball milling is added；
Step 3, initiator and defrother are then added, ball milling obtains slurry；
Step 4, gained slurry is poured into mould, covers mold lid, stand at room temperature, make the organic monomer in slurry
It polymerize, i.e. gelation process, wherein the lower section of mold lid carries 0.02~0.08mm of diameter draw point；
Step 5, deviate from mould, dry to water content and be less than in 0.05%, high temperature sintering furnace in 1650 DEG C in vacuum drying oven
2~5h of lower sintering.
The organic monomer is acrylamide（AM）, crosslinking agent is N, N '-methylene-bisacrylamide（MBAM）, dispersant
For PAMA（AMAP）, triethanolamine（TEA）And polyethylene glycol 400（PEG-400）In it is one or any
It is several that ratio is mixed, and initiator is ammonium sulfate（APS）, defrother is n-octyl alcohol.
The amount ranges of the organic monomer are 0.005 ~ 0.02g, the amount ranges of the crosslinking agent for 0.001 ~
0.003g, the amount ranges of the dispersant are 0.03 ~ 0.1g, and the amount ranges of the distilled water are 5 ~ 20mL, the oxidation
The amount ranges of aluminium ceramic powder are 3 ~ 10g, and it is 2 ~ 5mm of diameter that the level of the zirconium oxide ballstone, which is matched somebody with somebody, and plot ratio is 45% ~ 55%, institute
The amount ranges for stating initiator are 0.02 ~ 0.1g, and the amount ranges of the defrother are 0.04 ~ 0.1g.
5~15 minutes are stood in the step 4 at room temperature.
In the present invention, aluminium oxide ceramics powder is α-Al2O3 special cermacis tailored flours, and purity is 99.5%, and size of microcrystal is about
0.65-0.70μm。
Compared with prior art, compound oxidate ceramic chopper is prepared present invention employs gel injection molding and forming technology, should
Method has been effectively combined the in-situ solidifying technique of high-density suspended floating body colloidal sol and the slip-casting shaping process of ceramic body, Neng Gou
High density, high intensity, composition and the highly uniform ceramic chopper base substrate of structure are prepared in short time.Gel injection molding and forming technology
In preparation for NEW TYPE OF COMPOSITE oxide ceramics chopper, for other method, with technique is simple, cost economy,
The advantages of blank forming defect is few, it is easier to industrialized production.
Brief description of the drawings
The X-ray diffractogram for the compound oxidate ceramic chopper that Fig. 1 is prepared for the present invention.
The compound oxidate ceramic chopper Flied emission shape appearance figure that Fig. 2 is prepared for the present invention.
Embodiment
Embodiments of the present invention are described in detail with reference to embodiment.
Embodiment 1
A kind of manufacture method of compound oxidate ceramic chopper, comprises the following steps：
Step 1, by 0.05g acrylamides（AM）, 0.01g N, N '-methylene-bisacrylamide（MBAM）With 0.03g points
Powder, which is dissolved in 16mL distilled water, is configured to premixed liquid, and adjusts pH value to 9.5~11；
Step 2,30g aluminium oxide ceramics powder is added into the premixed liquid, 10g chromium oxide, 15g zirconium oxides add oxygen
Change 24~48h of zirconium ballstone ball milling；
Step 3,0.3g ammonium persulfates are then added（APS）With 0.3g n-octyl alcohols, ball milling obtains slurry；
Step 4, gained slurry is poured into mould, covers mold lid, stood 5~15 minutes at room temperature, make in slurry
Organic monomer polymerize, i.e. gelation process, in the process, organic monomer and crosslinking agent cooperatively form firm
Tridimensional network, makes alumina particle by in-situ solidifying, until coagulation forming, the wherein lower section of mold lid carry diameter
0.02~0.08mm draw point；
Step 5, deviate from mould, dry to water content and be less than in 0.05%, high temperature sintering furnace in 1650 DEG C in vacuum drying oven
2~5h of lower sintering, obtains compound oxidate ceramic chopper.
Adulterated and chromium doping it will be seen from figure 1 that prepared composite oxides chopper composition is zirconium, each of which diffraction
Base peak of the peak with standard card Al2Zr3 (PDF No.48-1380) (Al0.9Cr0.1) 2O3 (PDF No.51-1349)
All corresponding is fine.Figure it is seen that prepared compound oxidate ceramic chopper particle is uniform, compact structure, to receive
Scale particles.
Embodiment 2
A kind of manufacture method of compound oxidate ceramic chopper, comprises the following steps：
Step 1, by 0.2g acrylamides（AM）, 0.3g N, N '-methylene-bisacrylamide（MBAM）It is molten with 1g dispersants
Solution is configured to premixed liquid in 32mL distilled water, and adjusts pH value to 9.5~11；
Step 2,45g aluminium oxide ceramics powder is added into the premixed liquid, 13g chromium oxide, 20g zirconium oxides add oxygen
Change 24~48h of zirconium ballstone ball milling；
Step 3,3g ammonium persulfates are then added（APS）With 3g n-octyl alcohols, ball milling obtains slurry；
Step 4, gained slurry is poured into mould, covers mold lid, stood 5~15 minutes at room temperature, make in slurry
Organic monomer polymerize, i.e. gelation process, in the process, organic monomer and crosslinking agent cooperatively form firm
Tridimensional network, makes alumina particle by in-situ solidifying, until coagulation forming, the wherein lower section of mold lid carry diameter
0.02~0.08mm draw point；
Step 5, deviate from mould, dry to water content and be less than in 0.05%, high temperature sintering furnace in 1650 DEG C in vacuum drying oven
2~5h of lower sintering, obtains compound oxidate ceramic chopper.
Embodiment 3
A kind of manufacture method of compound oxidate ceramic chopper, comprises the following steps：
Step 1, by 0.01g acrylamides（AM）, 0.002g N, N '-methylene-bisacrylamide（MBAM）And 0.006g
Dispersant, which is dissolved in 23mL distilled water, is configured to premixed liquid, and adjusts pH value to 9.5~11；
Step 2,40g aluminium oxide ceramics powder is added into the premixed liquid, 10g chromium oxide, 25g zirconium oxides add oxygen
Change 24~48h of zirconium ballstone ball milling；
Step 3,5g ammonium persulfates are then added（APS）With 4g n-octyl alcohols, ball milling obtains slurry；
Step 4, gained slurry is poured into mould, covers mold lid, stood 5~15 minutes at room temperature, make in slurry
Organic monomer polymerize, i.e. gelation process, in the process, organic monomer and crosslinking agent cooperatively form firm
Tridimensional network, makes alumina particle by in-situ solidifying, until coagulation forming, the wherein lower section of mold lid carry diameter
0.02~0.08mm draw point；
Step 5, deviate from mould, dry to water content and be less than in 0.05%, high temperature sintering furnace in 1650 DEG C in vacuum drying oven
2~5h of lower sintering, obtains compound oxidate ceramic chopper.
Claims (1)
1. a kind of manufacture method of compound oxidate ceramic chopper, it is characterised in that comprise the following steps：
Step 1,0.2g acrylamides, 0.3g N, N '-methylene-bisacrylamide and 1g dispersants are dissolved in 32mL distilled water
In be configured to premixed liquid, and adjust pH value to 9.5~11；
Step 2,45g aluminium oxide ceramics powder is added into the premixed liquid, 13g chromium oxide, 20g zirconium oxides add zirconium oxide
24~48h of ballstone ball milling；
Step 3,3g ammonium persulfates and 3g n-octyl alcohols are then added, ball milling obtains slurry；
Step 4, gained slurry is poured into mould, covers mold lid, stood 5~15 minutes at room temperature, make having in slurry
Machine monomer polymerize, i.e. gelation process, in the process, and organic monomer and crosslinking agent cooperatively form firm three-dimensional
Network structure, makes alumina particle by in-situ solidifying, until coagulation forming, wherein the lower section of mold lid with diameter 0.02~
0.08mm draw point；
Step 5, deviate from mould, dry to water content and be less than in 0.05%, high temperature sintering furnace in burning at 1650 DEG C in vacuum drying oven
2~5h of knot, obtains compound oxidate ceramic chopper.
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| CN201510363972.1A CN104961470B (en) | 2015-06-26 | 2015-06-26 | A kind of manufacture method of compound oxidate ceramic chopper |
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