Atlantic Technology Co., Ltd. tau tsim nyob rau hauv lub Peb Hlis 2000 thiab nyob rau hauv cov teb chaws Asia sab hnub tuaj (Vietnam, Malaysia, Thaib teb, Hong Kong), npog thaj tsam ntawm ntau tshaj 400 daim av. Txij li thaum nws tsim, lub tuam txhab tau tsom mus rau kev tsim khoom thiab muag khoom ntawm ob - txheej thiab ntau - txheej txheej siab kev ntseeg siab luam tawm Circuit Board boards, thiab yog ib qho ntawm cov thawj coj hauv kev lag luam sab hnub tuaj Asia.
Lub tuam txhab tau raug xaiv los ua ib lub chaw tshawb fawb kev lag luam rau ntau xyoo sib law liag vim nws cov txiaj ntsig tseem ceeb hauv kev tswj xyuas kom zoo, kev txhim kho, kev tsim kho tshiab, kev xav tau ntawm cov neeg siv khoom loj, thiab qhov zoo ntawm qhov chaw T. Top 100 PCB Manufacturing Enterprises nyob rau hauv lub ntiaj teb thiab luam tawm Circuit Industry Association (CPCA) tso tawm los ntawm Cov Ntaub Ntawv. Qeb thib peb ntawm 100 PCB peev tuam txhab lag luam nyob rau sab hnub tuaj Asia hauv 2022.
Phenolic ntawv substrate
1, Lus Txhais, yam ntxwv, qhov zoo, thiab cov khoom siv ntawm cov ntawv substrates hauv PCB:
1.1 Kev txhais
Daim ntawv substrate nyob rau hauv PCB yog ib hom ntawm cov khoom siv substrate ua los ntawm cov ntaub so ntswg los yog cov ntawv pov tseg tom qab kev ua haujlwm tshwj xeeb, siv los tsim cov khoom siv hluav taws xob hauv hluav taws xob. Daim ntawv substrates feem ntau muaj cov npe no
Feem ntau hu ua phenolic ntawv substrate, cardboard, nplaum board, VO board, nplaim retardant board, liab ntawv tooj liab-clad board, 94V0, TV board, xim TV board, thiab lwm yam. Feem ntau, phenolic resin yog siv los ua cov nplaum. Ntoo pulp fibers yog siv
Wei daim ntawv yog ib qho insulating laminated khoom siv ntxiv nrog cov ntaub ntawv.
1.2 Yam ntxwv
1.2.1. Conductivity: Daim ntawv substrate nyob rau hauv PCB muaj tej yam conductivity los ntawm kev ntxiv conductive agents los yog conductive fibers, uas yuav ua tau tam sim no thiab cov teeb liab.
1.2.2. Mechanical zog: Daim ntawv substrates muaj lub zog txhua yam thiab ua haujlwm ntev los ntawm cov txheej txheem tsim tshwj xeeb, thiab tuaj yeem tiv taus ntau yam kev ntxhov siab thiab kev co hauv cov khoom siv hluav taws xob.
Environmental sustainability: Vim lub fact tias cov ntaub ntawv substrates yog tsuas yog ua los ntawm cov ntaub so ntswg los yog cov ntaub ntawv pov tseg, lawv muaj ntau tus phooj ywg environmentally thiab sustainable piv rau cov tsoos substrate cov ntaub ntawv, nyob rau hauv txoj kab nrog niaj hnub lub neej txoj cai rau kev tiv thaiv ib puag ncig.
Thov.
1.3 Qhov zoo
Tus nqi qis
pheej yig
Tsawg tus txheeb ze ceev
Nws tuaj yeem ua haujlwm xuas nrig ntaus
Cov ntaub ntawv muaj xws li XPC, FR-1, FR-2, FE-3, 94V0, thiab lwm yam.
2. PCB hauv kev lag luam hluav taws xob:
Daim ntawv substrate nyob rau hauv PCB muaj ntau yam kev siv nyob rau hauv hluav taws xob teb, feem ntau yog reflected nyob rau hauv cov nram qab no yam:
2.1. Cov khoom siv hluav taws xob: Cov ntawv siv hluav taws xob tuaj yeem siv los tsim ntau yam khoom siv hluav taws xob, xws li smartphones, ntsiav tshuaj, TV, thiab lwm yam. Raws li cov khoom siv yooj yim ntawm Circuit Court boards, nws tuaj yeem muab circuits.
Kev sib txuas thiab kev txhawb nqa ua haujlwm.
2.2. LED teeb pom kev zoo: Daim ntawv substrates ua lub luag haujlwm tseem ceeb hauv thaj chaw ntawm LED teeb pom kev zoo. Lub Circuit Court board nyob rau hauv LED teeb yog feem ntau yog ua los ntawm cov ntawv substrate, uas muaj zoo tshav kub dissipation kev kawm thiab nrog conductivity, nws muaj peev xwm ua tau raws li cov kev xav tau ntawm high brightness LED teeb.
2.3. Smart Home: Nrog rau kev loj hlob sai ntawm cov tsev ntse, cov ntawv substrates kuj tau siv dav hauv daim teb no. Nws tuaj yeem siv los tsim cov ntse ntse, cov keyboards ntse, thiab lwm yam khoom siv kom ua tiav hauv tsev automation
Kev sib txuas lus thiab kev txawj ntse tswj ntawm cov khoom siv hauv tsev.
composite substrate
Cov qauv ntawm cov khoom siv hluav taws xob yog ignited nrog cov nplaim taws uas ua tau raws li qhov yuav tsum tau ua, thiab cov nplaim taws raug tshem tawm tom qab lub sijhawm teev tseg. Cov qib combustibility yog ntsuas raws li qib ntawm combustion ntawm cov qauv, uas muab faib ua peb theem. Kab rov tav tso ntawm cov qauv yog kab rov tav txoj kev sim, uas tau muab faib ua peb theem: FH1, FH2, thiab FH3. Kev tso chaw ntsug ntawm cov qauv yog txoj kev ntsuas ntsug, uas tau muab faib ua FV0, FV1, thiab VF2 qib.
Muaj ob hom kev ruaj khov PCB boards: HB board thiab V0 board.
HB pawg thawj coj saib muaj cov nplaim hluav taws tsawg thiab feem ntau yog siv rau ib lub vaj huam sib luag,
VO board muaj cov nplaim hluav taws kub thiab feem ntau siv rau ob - sab thiab ntau - txheej boards
Hom PCB board uas ua tau raws li V-1 qhov kev ntsuas hluav taws kub yog hu ua FR-4 board.
V-0, V-1, V-2 yog qhov ntsuas hluav taws kub.
Lub rooj tsav xwm hauv Circuit Court yuav tsum yog nplaim hluav taws thiab tsis tuaj yeem hlawv ntawm qhov kub thiab txias, tsuas yog muag muag. Qhov ntsuas kub ntawm qhov taw tes no yog hu ua iav hloov pauv kub (Tg point), uas cuam tshuam rau qhov ruaj khov ntawm lub PCB board.
Lub siab Tg PCB Circuit Board yog dab tsi thiab qhov zoo ntawm kev siv lub siab Tg PCB?
Thaum qhov kub ntawm lub siab Tg luam ntawv Circuit Court board nce mus rau ib qho chaw, lub substrate yuav hloov los ntawm ib tug "iav xeev" mus rau "lub xeev roj hmab", thiab qhov kub ntawm lub sij hawm no yog hu ua lub iav hloov kub (Tg) ntawm lub rooj tsavxwm. Qhov ntawd yog hais tias, Tg yog qhov kub siab tshaj plaws uas lub substrate tswj rigidity.
PCB Cov ntawv tshwj xeeb yog dab tsi?
Muab faib los ntawm hauv qab mus rau sab saum toj los ntawm qib:
94HB - 94VO - 22F - CEM-1 - CEM-3 - FR-4
Cov lus qhia ntxaws ntxaws yog raws li hauv qab no:
94HB: Ordinary cardboard, tsis hluav taws kub -resistant (cov khoom siv qis tshaj plaws, tuag xuas nrig ntaus, tsis tuaj yeem siv los ua lub hwj chim board)
94V0: nplaim retardant cardboard (tuag punched)
22F: Ib leeg ib sab semi fiberglass board (tuag punched)
CEM-1: Ib sab fiberglass board (yuav tsum tau lub computer drilling thiab tsis tuaj yeem tuag punched)
CEM-3: Ob chav sided semi fiberglass board (tshwj tsis yog rau ob npaug -sided cardboard, uas yog cov khoom siv qis tshaj plaws ntawm ob sab board, yooj yim)
Ob chav sided panels siv tau cov khoom no, uas yog 5-10 yuan / square meter pheej yig dua FR-4
FR-4: Ob chav sided fiberglass board
2. PCB hauv kev lag luam hluav taws xob:
Daim ntawv substrate nyob rau hauv PCB muaj ntau yam kev siv nyob rau hauv hluav taws xob teb, feem ntau yog reflected nyob rau hauv cov nram qab no yam:
2.1. Cov khoom siv hluav taws xob: Cov ntawv siv hluav taws xob tuaj yeem siv los tsim ntau yam khoom siv hluav taws xob, xws li smartphones, ntsiav tshuaj, TV, thiab lwm yam. Raws li cov khoom siv yooj yim ntawm Circuit Court boards, nws tuaj yeem muab circuits.
Kev sib txuas thiab kev txhawb nqa ua haujlwm.
2.2. LED teeb pom kev zoo: Daim ntawv substrates ua lub luag haujlwm tseem ceeb hauv thaj chaw ntawm LED teeb pom kev zoo. Lub Circuit Court board nyob rau hauv LED teeb yog feem ntau yog ua los ntawm cov ntawv substrate, uas muaj zoo tshav kub dissipation kev kawm thiab nrog conductivity, nws muaj peev xwm ua tau raws li cov kev xav tau ntawm high brightness LED teeb.
2.3. Smart Home: Nrog rau kev loj hlob sai ntawm cov tsev ntse, cov ntawv substrates kuj tau siv dav hauv daim teb no. Nws tuaj yeem siv los tsim cov ntse ntse, cov keyboards ntse, thiab lwm yam khoom siv kom ua tiav hauv tsev automation
Kev sib txuas lus thiab kev txawj ntse tswj ntawm cov khoom siv hauv tsev.
Epoxy fiberglass substrate
Epoxy Fiberglass Board (EPFB) yog hais txog cov khoom sib xyaw ua ke los ntawm kev kos lossis qhwv cov ntaub ntawv iav fiber ntau rau hauv epoxy resin, cov khoom ntawm cov qauv. Piv nrog rau cov iav zoo tib yam, epoxy iav fiber ntau muaj lub zog tensile siab, siab elastic modulus, thiab cuam tshuam tsis kam, Nws muaj cov khoom zoo xws li lub zog zoo, tshuaj lom neeg ruaj khov, qaug zog, thiab kub tsis kam, thiab yog dav siv hauv aviation, aerospace, kev tsim kho, thiab kev lag luam chemical industries, kev ua liaj ua teb, thiab lwm yam kev lag luam.
Qhov zoo ntawm epoxy resin
Epoxy resin muaj kev sib koom ua haujlwm siab, zoo corrosion kuj, kev ua haujlwm zoo, thiab zoo heev lub cev thiab cov khoom siv kho tshuab
Muaj peev xwm ua tau zoo heev (qhov tawv ntawm kho epoxy resin yog hais txog 7 npaug ntau dua li cov phenolic resin kho), thiab nws kuj undergoes curing shrinkage Tsawg kev sib deev.
1.1 Muaj zog adhesion
Lub zog sib txuas ntawm epoxy resin adhesive qib ntawm cov saum toj kawg nkaus hauv cov nplaum hluavtaws vim yog cov pawg muaj zog xws li hydroxyl thiab ether bonds.
Muaj zog adhesion quab yuam yog generated ntawm epoxy molecules thiab nyob ib sab interfaces; Cov pab pawg epoxy hnov mob nrog hlau qhov chaw uas muaj cov nquag hydrogen los tsim cov tshuaj muaj zog tshuaj tiv thaiv tseem ceeb.
1.2 Tsawg curing shrinkage tus nqi
No small molecules are generated during curing, resulting in high density and low shrinkage rate during curing. Shrinkage tus nqi ntawm epoxy resin adhesive nyob rau hauv adhesives
Qhov tsawg tshaj plaws, uas kuj yog ib qho ntawm cov laj thawj rau kev sib koom siab siab ntawm epoxy resin adhesive curing. Piv txwv li, phenolic resin nplaum: 8-10%; Organic silicone resin nplaum: 6-8%; Polyester resin nplaum: 4-8%; Epoxy resin nplaum: 1-3%. Yog hais tias tus nqi shrinkage ntawm epoxy resin txo qis tom qab ntxiv cov fillers
0.1 ~ 0.3%, nrog thermal expansion coefficient ntawm 6.0X10-51 E-5in/in-F. [5]
1.3 Zoo tshuaj tiv thaiv thiab stability [2]
Cov pab pawg Ether, benzene rings, thiab fatty hydroxyl pawg nyob rau hauv cov txheej txheem kho tsis yooj yim corroded los ntawm acids thiab bases. Hauv dej hiav txwv, roj av, roj av, 10% H2S04
10% HCl, 10% HAc, 10% NH3, 10% H3PO4, thiab 30% Na2C03 tuaj yeem siv tau ob xyoos; Thiab nyob rau hauv 50% H2SO4 thiab 10% HNO3Soak ntawm chav tsev kub rau rau lub hlis thiab tsau nyob rau hauv 10% NaOH (100 degree) rau ib lub hlis, thiab cov kev ua tau zoo tseem tsis hloov. [3]
1.4 Hluav taws xob rwb thaiv tsev zoo heev
Lub zog tawg ntawm epoxy resin yog ntau dua 35kv / mm.
1.5 Cov txheej txheem ua tau zoo
Nws tuaj yeem ua rau miscible nrog ntau yam resins, yooj yim soluble hauv cov kuab tshuaj xws li cawv, acetone, toluene, thiab lwm yam, thiab tuaj yeem kho tau yooj yim thiab molded ntawm chav tsev kub. Cov khoom kav, ruaj khov loj, zoo durability, thiab tsis tshua muaj dej nqus tus nqi.
Hlau substrate
Lub substrate hlau muaj peb ntu: ib txheej txheej (tooj liab ntawv), txheej insulating dielectric, thiab hlau substrate. Ib tug hlau substrate yog siv los ua lub hauv paus phaj, nrog ib tug insulating dielectric txheej txuas rau saum npoo, tsim ib tug conductive Circuit Court ua ke nrog cov tooj liab ntawv ci ntawm lub substrate. Nws muaj qhov zoo ntawm qhov zoo ntawm cov cua sov dissipation thiab mechanical processing kev ua tau zoo. Tam sim no, feem ntau siv yog aluminium thiab tooj liab substrates.
1. Cov khoom siv thiab thermal conductivity
Sliton ceramic substrate yog ua los ntawm cov khoom siv ceramic, uas yog cov khoom siv tsis zoo nrog cov thermal conductivity thiab muaj peev xwm ua tau zoo thiab ua kom sov. Lub thermal conductivity ntawm alumina (Al2O3) yog 25-35w / mk, thermal conductivity ntawm txhuas nitride (AlN) yog 170-230w / mk, thiab thermal conductivity ntawm silicon nitride (Si3N4) yog 80-100w / mk
Cov khoom siv hauv paus ntawm PCB zoo tib yam yog cov khoom siv insulating, nrog cov thermal conductivity tsawg thiab tsis muaj cua sov conduction thiab muaj peev xwm dissipation. Lub thermal conductivity ntawm FR-4 yog 0.3-0.4 w / mk
Lub substrate ntawm cov hlau substrate yog cov khoom siv hlau uas muaj thermal conductivity, thaum lub thermal conductivity ntawm aluminium substrate yog 0.7-3w / mk Lub thermal conductivity ntawm tooj liab substrate yog 300-400w / mk, feem ntau yog siv rau tsheb headlights, taillights, thiab drones. Txawm li cas los xij, tooj liab yog kim, kim, thiab muaj cov khoom tsis zoo rwb thaiv tsev Sau: Sliton Ceramic Circuit Board
2. Kev ua haujlwm hluav taws xob thiab kev ua haujlwm siab - zaus
Ceramic substrates muaj siab dielectric tas li thiab dielectric poob, ua rau lawv zoo heev hluav taws xob kev ua tau zoo nyob rau hauv siab - zaus circuits. Dielectric qhov tsis tu ncua ntawm alumina (Al2O3): 9-10, dielectric poob: 3-10; Lub dielectric tas li ntawm txhuas nitride (AlN) yog 8-10, thiab dielectric poob yog 3-10; Qhov dielectric tas li ntawm silicon nitride (Si3N4) yog 8-10, thiab dielectric poob yog 0.001-0.1.
Qhov dielectric tas li thiab dielectric poob ntawm cov PCB zoo tib yam yog qhov tsawg, uas ua rau cov hluav taws xob tsis zoo nyob rau hauv siab - zaus circuits. Lub dielectric tsis tu ncua ntawm PCB yog 4.0-5.0, thiab dielectric poob yog 0.02-0.04
Qhov dielectric tas li thiab dielectric poob ntawm cov hlau substrates yog qhov tsawg, thiab lawv kuj muaj hluav taws xob ua tau zoo nyob rau hauv siab - zaus circuits. Qhov dielectric tas li ntawm tooj liab substrates yog 3.0-6.0, thiab dielectric poob yog 0.01-0.03. Lub dielectric qhov tsis tu ncua ntawm aluminium substrates yog 2.5-6.0, thiab dielectric poob yog 0.01-0.04. Sau: Sliton Ceramic Circuit Board
3. Mechanical zog thiab kev ntseeg tau
Ceramic substrates muaj lub zog txhua yam thiab khoov tsis kam, nrog rau kev ntseeg siab thiab ruaj khov nyob rau hauv siab - kub thiab hnyav ib puag ncig. Lub zog ntawm alumina (Al2O3) yog li ntawm 300Mpa txog 350Mpa, aluminium nitride (AlN) ranges ntawm 300Mpa txog 400Mpa, thiab silicon nitride (Si3N4) ranges ntawm 600Mpa txog 800Mpa
Lub zog txhua yam ntawm PCBs zoo ib yam yog qhov qis, thiab lawv tau yooj yim cuam tshuam los ntawm yam xws li kub thiab av noo, ua rau txo kev ntseeg siab hauv qhov kub thiab txias. Lub zog txhua yam ntawm PCB zoo ib yam li ntawm 8Mpa txog 500Mpa,
Lub zog txhua yam ntawm cov hlau substrates yog siab, thiab cov khoom siv hluav taws xob muaj cov cua kub dissipation thiab electromagnetic shielding thaum ua haujlwm. Lub zog txhua yam ntawm tooj liab substrates yog 600