JPH0466809B2 - - Google Patents
Info
- Publication number
- JPH0466809B2 JPH0466809B2 JP25164087A JP25164087A JPH0466809B2 JP H0466809 B2 JPH0466809 B2 JP H0466809B2 JP 25164087 A JP25164087 A JP 25164087A JP 25164087 A JP25164087 A JP 25164087A JP H0466809 B2 JPH0466809 B2 JP H0466809B2
- Authority
- JP
- Japan
- Prior art keywords
- silica
- surface area
- specific surface
- fused spherical
- synthetic silica
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 223
- 239000000377 silicon dioxide Substances 0.000 claims description 105
- 239000002245 particle Substances 0.000 claims description 40
- 239000002253 acid Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 17
- 230000008018 melting Effects 0.000 claims description 17
- 238000010304 firing Methods 0.000 claims description 16
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 7
- 230000002378 acidificating effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000010298 pulverizing process Methods 0.000 claims description 6
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 5
- 229910052776 Thorium Inorganic materials 0.000 claims description 5
- 229910052770 Uranium Inorganic materials 0.000 claims description 5
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 5
- 230000002285 radioactive effect Effects 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 description 16
- 239000000203 mixture Substances 0.000 description 16
- 230000000704 physical effect Effects 0.000 description 10
- 239000007921 spray Substances 0.000 description 9
- 239000008393 encapsulating agent Substances 0.000 description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 description 8
- 239000011707 mineral Substances 0.000 description 8
- 229920003002 synthetic resin Polymers 0.000 description 8
- 239000000057 synthetic resin Substances 0.000 description 8
- 239000003822 epoxy resin Substances 0.000 description 7
- 229920000647 polyepoxide Polymers 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- 229910017604 nitric acid Inorganic materials 0.000 description 6
- 238000011282 treatment Methods 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 5
- 239000004115 Sodium Silicate Substances 0.000 description 4
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000010309 melting process Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-cresol Chemical compound CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 239000011342 resin composition Substances 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 229910052911 sodium silicate Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010306 acid treatment Methods 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000005350 fused silica glass Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 238000004438 BET method Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- ATRMIFNAYHCLJR-UHFFFAOYSA-N [O].CCC Chemical compound [O].CCC ATRMIFNAYHCLJR-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000005260 alpha ray Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910002026 crystalline silica Inorganic materials 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000012768 molten material Substances 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 239000012756 surface treatment agent Substances 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 1
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- PIYVNGWKHNMMAU-UHFFFAOYSA-N [O].O Chemical compound [O].O PIYVNGWKHNMMAU-UHFFFAOYSA-N 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000002738 chelating agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000004683 dihydrates Chemical class 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 229920003986 novolac Polymers 0.000 description 1
- 239000010680 novolac-type phenolic resin Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Silicon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25164087A JPH0196008A (ja) | 1987-10-07 | 1987-10-07 | 溶融球状シリカ及びその製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25164087A JPH0196008A (ja) | 1987-10-07 | 1987-10-07 | 溶融球状シリカ及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0196008A JPH0196008A (ja) | 1989-04-14 |
JPH0466809B2 true JPH0466809B2 (fr) | 1992-10-26 |
Family
ID=17225827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP25164087A Granted JPH0196008A (ja) | 1987-10-07 | 1987-10-07 | 溶融球状シリカ及びその製造方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0196008A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE60314218T2 (de) | 2002-11-12 | 2007-09-27 | Nitto Denko Corp., Ibaraki | Gefüllte Epoxidharz-Zusammensetzung zur Einkapselung von Halbleitern sowie ein damit eingekapselter Halbleiterbauteil |
JP5817620B2 (ja) * | 2012-03-29 | 2015-11-18 | 三菱マテリアル株式会社 | 合成非晶質シリカ粉末の製造方法 |
-
1987
- 1987-10-07 JP JP25164087A patent/JPH0196008A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0196008A (ja) | 1989-04-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102595535B1 (ko) | 구상 결정성 실리카 입자 및 그의 제조 방법 | |
KR100793503B1 (ko) | 비공성 구상 실리카 및 그의 제조 방법 | |
CN104058405B (zh) | 一种去除金属硅中杂质磷和硼的方法 | |
JP2004131378A (ja) | 不透明石英ガラス材の製造方法 | |
US3762936A (en) | Manufacture of borosilicate glass powder essentially free of alkali and alkaline earth metals | |
JPS62176928A (ja) | 石英ガラス粉末の製造方法 | |
US2573057A (en) | Process of preparing white finely divided amorphous silica | |
WO2007020855A1 (fr) | Procédé de production de particules inorganiques sphériques | |
JPH0466809B2 (fr) | ||
JP2684396B2 (ja) | 溶融球状シリカ及びこれを用いた封止用樹脂組成物 | |
CN107963632A (zh) | 一种多孔二氧化硅改性材料及其制备方法 | |
US3956004A (en) | Manufacture of granular lead compounds | |
JPS59189140A (ja) | 無機球状体及びその製法 | |
JPH0431311A (ja) | 球状シリカ及びその製造方法並びにエポキシ樹脂組成物及びその硬化物 | |
US2865781A (en) | Production of finely divided calcium carbonate | |
JPH02158637A (ja) | シリカフィラーおよびこれを用いた封止用樹脂組成物 | |
JP4216510B2 (ja) | 層状ケイ酸塩及びその製造方法 | |
JPS6065041A (ja) | 無機質球状体及びその組成物 | |
JPS6065719A (ja) | リチウムアルミネ−ト粉末の製造方法 | |
JP2665539B2 (ja) | シリカフィラーおよびこれを用いた封止用樹脂組成物 | |
JP2955672B2 (ja) | 半導体樹脂封止用シリカフィラーおよびその製造方法 | |
CN114293257B (zh) | 新型蓝色单晶刚玉的制备方法和新型蓝色单晶刚玉 | |
JPH04154613A (ja) | 高純度合成シリカ粉 | |
JP7480659B2 (ja) | 透明ガラスの製造方法 | |
KR960010902B1 (ko) | 치밀한 고순도 비정질 구상 실리카분말의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
EXPY | Cancellation because of completion of term |