Non-metallic mineral powder materials in the copper clad plate industry is the main inorganic filler, copper clad plate production process mainly according to its performance to select the corresponding filler, commonly used inorganic filler talc powder, aluminum hydroxide, alumina, iron dioxide, silicon powder (silicon dioxide), etc., of which silicon powder (silicon dioxide) fuit magna filler in omni generis aeris vestem.
I, in perficientur characteres de Silicon pulveris
Silicon powder is a non-toxic, tasteless, non-polluting inorganic non-metallic material, from natural quartz (SiO2) or molten quartz (natural quartz after high temperature melting, cooling amorphous SiO2) by crushing, grinding (ball milling, vibration, air grinding), flotation, pickling purification and high purity water treatment and other processes.
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Silicon powder is a kind of functional filler, which can improve the insulation, thermal conductivity, thermal stability, acid and alkali resistance (except HF), wear resistance, flame retardant, bending strength and dimensional stability of the plate, reduce the thermal expansion rate of the plate and improve the dielectric constant of the copper clad plate. In eodem tempore, ex abundanti rudis materiae et humilis pretium Silicon pulveris, potest reducere sumptus de aere vestem, ita est magis late in aere vestimento industria.
II, quod vulgo Silicon pulveris filler quia aeris veste laminam
In productio ex aere vestem, in pascens proportio Silicon pulveris maxime habet duas species generalis proportionis (XV% -30%) et altum implens proportionem (XL% technology est maxime in productione technology est in productio tenuem aeris laminam. Et plerumque solebant silica pulveris fillers pro aere vester lamminis sunt ultrafine crystallina silica pulveris, fused silica pulveris, compositum silica pulveris, sphaericis Silica pulveris et activae silica pulveris.
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(I) Ultrafine crystallina Silicon Pulvis
Ultrafine crystallina silica pulveris est quaedam quartz pulveris quod processionaliter ab baptismata, adtritis, magnetica separationem, Ultrafine Crushing et gradatim. Et applicationem de crystallina Silicon Pulvis in aeris vestibus plate industria coepi ante in externis regionibus et domesticis Silicon pulveris manufacturers habere productio facultatem talis pulveris circa MMVII, et mox vicit ad recognitionem users.
Post usum crystallino Silicon pulveris, rigorem, scelerisque stabilitatem et aqua effusio de aeris-vesti laminam sunt valde amplio, cum celeri progressionem et qualis est Crystalline Pulver foro, quod est valde melius.
Considerans dispersionem de filler in resina et requisita ad gluten processus, in crystallina silica pulveris oportet activated et tunc usus est in sphaerici pulveris ad vitare clumping cum sit mixto cum epoxy resinae, aut parva in speculo fibra et in acutam in glutine.
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(II) Fusce Silicon Pulveris
Silicon Pulvis System Eligit Naturalis Quartz, Amorpho Silicon Dioxide post altum temperatus liquescens et refrigerationem ut pelagus rudis materia, et processionaliter a unique processus, et dispositionem in inquiete powder mutationes ex ordine dispositionem inordinate dispositionem. Ob suam excelsum puritatem, humilis linearibus expansion coefficient, bonum electro radialis, chemical corrosio resistentia et alia firmum chemical, id est saepe in productio summus frequency aere piget. Cum progressionem summus frequency communicationis technology, in demanda in summus frequency aere vesti laminam est augendae, et in foro est crescente ad rate of 15-20% omni anno, quod etiam eiciam in rate of 15-20% omni anno, quod etiam eiciam in Synchroni incrementum in demanda pro fusilia Silicon Pulvis.
(III) compositis Silicon pulveris
Silica pulveris est a vitrea Silica pulveris materia ex naturali quartz et alii inorganicis non-metallicis mineralibus (ut calcium cadmiae, boron cadmiae, magnesium, etc.), quod processionaliter ad compositionem, etc.), quod processionaliter, magnesium, etc.), quod processionaliter, molere, gradatim et aliis processus.
In Mohs duritiam compositi Silicon pulveris circa V, inferior quam pura Silicon pulveris. Per processui ex typis circuitu tabula (PCB), quod non solum reducere paulum gerunt, sed etiam ponere ad scelerisque expansion coefficient, flectens vires, dimensional stabilitatem et aliis proprietatibus aereos laminam. Est quaedam stipare cum excellens comprehensive perficientur. In praesens, multae domesticis aeris-vesti laminam fabrica coepit ad usum compositum Silicon pulveris reponere Ordinarius Silicon pulveris.
(IV) Sphaerica Silicon Pulveris
Sphaerica Silicon Powder est quaedam sphaerici Silicon pulveris materiam cum uniformis particulas, non acuti angle, parva specifica superficies, bonum humiditatem, humilis accentus et parva molting et prope-sphaericis, ut rudis materiae inaequaliter et prope-sphaericis, sicut rudis materiae inaequaliter et prope-sphaericis, sicut rudis in ruminatibus et inaequaliter, sicut raw in raw et inaequaliter, et juxta-sphaerica, sicut rudis in rumine, et inaequaliter, sicut in altum raw et inaequaliter et in alteque, sicut rudis in altum rawic, ut rawic in rawic, et in alteque, et in altum, ut raw in altum, ut rawic in inaequalibus, et in altum, sicut in altum rudis et inaequaliter, et in altum, ut raw et inaequalibus, ut raw et in alteque, ut raw. Cum addidit ad rudis materiae pro aere vestem laminam productio, potest vehementer auget implens moles et reducere viscositas mixta materia ratio. Meliorem processus perficientur, amplio pereability de iactaret speculum fibra panno, reducere ad DECREMENTUM EPOXY resinae curing processus, reducere in thermal expansion differentia ad amplio a warping in sheet.
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In sphaerica Silicon pulveris products cum puritate 99.8% et mediocris particula magnitudine 0.5μm-1μm plerumque usus est a japanese aeris-vesti laminam manufacturers.
(V) Active Silicon Pulvis
Et compatibility inter silica pulveris et resina ratio potest esse melior per usura activae tractata silica pulveris ut filler, et humorem et æstus resistentia et reliability de cop-vesti potest esse amplius melior.
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In praesens, in domesticis Active Silicon Powder products propter suam solum Silicon couplucens agens simplex miscentes curatio, non idealis, pulveris et silicem et Silicon Pulveris, et Silicon Polysilane et Silicon Pulveris, et Silicon Polysilans et Pulvere, ut Pulveris, ut Pulveris, ut Pulveris, ut in Pulveris, ut in Pulveris: Iaponica experts propositus est Silanediol derivationes tractare Silicon pulveris, et addere catalysts in miscentes processus, ut cooperantur agens potest aequaliter involvent pulveris, ita ut epoxy potest consequi idealis cum Silicon pulveris.
III, aere vestem in perficientur de Silicon pulveris requisitis
(I) Requirements particula magnitudine Silicon pulveris
In aere vestibus laminam usura Silicon pulveris filler, particula magnitudine potest esse nimium magnum vel parva.
Matsushita Electric Company propositus: usum mediocris particula magnitudine plus quam 10μm Silicon pulveris, ex aere vestem in electrica velit et reduci. Cum mediocris particula mole est inferior quam 0.05μm, et viscositas resinae ratio mos crescat, et manufacturabilitatem de aeris-vesti laminam erit affectus.
Kyocera chemical comitatu proposuit mediocris particula magnitudine fis Silicon pulveris in range of 0.05-2μm, cuius particula sit infra 10μm, ita ut ad bonum fluiditatem resinae compositionem.
Hitachi Chemical Company proposed: in order to improve the heat resistance and copper foil bonding strength of the 'mutually dual' relationship, the average particle size of the synthetic silicon powder is appropriate in the range of 1-5μm, and in the copper clad plate to pay special attention to the improvement of drilling processing 'focus on consideration', then the average particle size of 0.4-0.7μm is more suitable.
(II) De Selectio de Morphologia Silicon pulveris
In various forms of silica, compared with molten spherical silica, molten transparent silica and later nano silicon (resin), the effect of crystalline silica on the performance of the resin system is not the best, such as its dispersion, settlement resistance is not as good as molten spherical silica, heat shock resistance and thermal expansion coefficient is not as good as molten transparent silica; In altiore perficientur est peius quam Nano Silicon (resinae), sed ex sumptus et oeconomicas beneficia, in industria est magis inclinatur ad altum puritatem crystallina silica.
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In praesenti, maxime de domesticis aeris-vestimentis inceptis tamen uti crystallina Silicon pulveris. In addition ad relative altum pretium fis Silicon pulveris, eius efficaciam et characteres sunt adhuc in scaenam intellectus et parva batch application.
In the selection of silicon powder varieties in the copper clad plate, although the spherical silicon powder has many research results in the Japanese patent (mostly results in the laboratory range), and has a good effect in improving some properties of the copper clad plate, its price is high, and it is currently unable to be applied in large quantities in the conventional and medium grade copper clad plate.
Ideo est momenti ad redigendum productio sumptus de Silicon Silicon Pulvis et facere bonum officium in progressionem et applicationem cooperante cum domesticis aeris-vesti laminam manufacturers.
In brevi, in applicationem de Silicon pulveris, aeris vestem plate manufacturers opus ad considerandum comprehenditur secundum ad pelagus projects et Indicatores de perficientur ad effectum, tum quod lectio technology, et alias applicationem.
IV, in progressionem flecte de Silicon pulveris in applicationem ex aeris vestem laminam
(I) Promissio Ultrafine Crystalline Silicon Pulvis
At present, the average particle size of the ultra-fine silicon powder applied to the copper-clad plate is 2-3 microns, and with the development of the substrate material to the ultra-thin direction, the filler will be required to have a smaller particle size and better heat dissipation. In futuro, Ultrafine et in mediocris particula magnitudine 0.5-1 microns erit propter aeris-vestietur laminis. Crystallina silica pulveris erit late propter eius bonum scelerisque conductivity. Considerans dispersionem de filler in resina et lenis progressionem ad gluten processus, crystallina silica pulveris est verisimile ad esse in iunctura cum sphaerica pulveris. Licet plures fillers cum magis scelerisque conductivity quam crystallina Silicon pulveris, ut alumina sphaerica pulveris, etc., sunt alta in pretio et difficilis in in futurum.
(II) et celeri progressionem fusilia Silicon pulveris foro
Cum progressionem variis provectus communicationis technologiae, a varietate summus frequency apparatu est late usus est, et ad forum est crescente ad rate of 15-20 omnis annus, quod non expellam in quadam adeo.
(III) stabilis compositum Silicon pulveris forum
In praesenti, maxime de domesticis aere vestem manufacturers coepit ad usum compositum Silicon pulveris ad reponere crystallina Silicon pulveris, et paulatim crescere proportionem usum, compositum Silicon pulveris, pervenire satietatem in altera duobus annis. Silicon pulveris fabrica sunt augendae productio simul, sed etiam permanere ad optimize productum Indicatores, ut adhuc redigendum terebro gerunt, progressionem inferioris duritia filler erit necessarium.
(IV) eu summus finem sphaerica pulveris forum
PCB subiectum materiae sunt cursim developing in directionem extenuantibus, praesertim hodiernam extenuantibus de HDI Multilayer Board substrati materiae est magis prominentibus. Multi Portable Electronic Products in continua promotionem ejus 'tenuis, lux, parva ' et multi-muneris casu, opus magis stratis PCB, tenuior crassitudine. Cum progressionem ex electronic products in directionem miniaturization et integration, proportionem HDI Boards mos crescat in futurum, et simul, domesticis IC tabellarius Board projects sunt etiam launched in multis locis in Sinis. In bonum foro environment, quod requiritur ut domesticis silicium pulveris manufacturers potest launch summus finem sphaericis Silicon pulveris products cum princeps puritatis, princeps sphaerica magnitudine distribution, sic application coefficientem et sphaericam, sicut in aere, sic in Sphaerica Silicon in Silicon in Aeris Platis Industry est dignitas Powder in aere PRAESTRICTUGUS industria est Valet Valet.
(V) Quod Anticipated Active Silicon Powder Market
Usus activae Silicon pulveris ut filler can amplio quidam de proprietatibus ex aere vestem laminam et illic es iam Silicon pulveris manufacturers in foro ut launch activae Silicon Pulvis Products. Tamen, si vis promovere usum activae pulveris in agro de aere veste laminam, Silicon pulveris manufacturers habere longum iter ire, non solum opus ad proxima cooperante deorsum cooperante agente, sed etiam opus ad plenam cooperationem deorsum aere laminam manufacturers. Quamdiu technica problems of modificatio solvitur, in foro de activated Silicon pulveris erit dignitas vultus deinceps ad.
