Los ntawm PCB World
3 High cua sov thiab cua kub dissipation yuav tsum
Nrog rau qhov miniaturization, kev ua haujlwm siab, thiab cov khoom siv hluav taws xob kub siab, kev tswj xyuas thermal ntawm cov khoom siv hluav taws xob txuas ntxiv mus ntxiv, thiab ib qho kev daws teeb meem uas tau xaiv yog los tsim cov thermally conductive printed circuit boards.Thawj qhov xwm txheej rau cov hluav taws kub-resistant thiab kub-dissipating PCBs yog cov cua sov-resistant thiab kub-dissipating zog ntawm substrate.Tam sim no, kev txhim kho ntawm cov khoom siv hauv paus thiab qhov sib ntxiv ntawm cov fillers tau txhim kho cov cua sov-resistant thiab kub-dissipating zog rau qee yam, tab sis kev txhim kho hauv thermal conductivity tsawg heev.Feem ntau, cov hlau substrate (IMS) los yog hlau core printed circuit board yog siv los dissipate lub tshav kub ntawm cov cua sov tivthaiv, uas txo qhov ntim thiab nqi piv nrog cov tsoos radiator thiab kiv cua txias.
Aluminium yog ib yam khoom zoo nkauj heev.Nws muaj ntau yam kev pab, tus nqi qis, zoo thermal conductivity thiab lub zog, thiab yog ib puag ncig tus phooj ywg.Tam sim no, feem ntau cov hlau substrates lossis hlau cores yog hlau txhuas.Qhov zoo ntawm aluminium-based circuit boards yog qhov yooj yim thiab kev lag luam, txhim khu kev qha hluav taws xob sib txuas, siab thermal conductivity thiab lub zog, solder-free thiab lead-free ib puag ncig tiv thaiv, thiab lwm yam, thiab tuaj yeem tsim thiab siv los ntawm cov neeg siv khoom siv rau tsheb, khoom siv tub rog. thiab aerospace.Tsis muaj kev tsis ntseeg txog cov thermal conductivity thiab kub tsis kam ntawm cov hlau substrate.Qhov tseem ceeb yog nyob rau hauv qhov kev ua tau zoo ntawm cov nplaum nplaum ntawm cov hlau phaj thiab cov txheej hauv Circuit Court.
Tam sim no, kev tsav tsheb ntawm thermal tswj yog tsom rau LEDs.Ze li ntawm 80% ntawm cov input zog ntawm LEDs yog hloov mus rau hauv tshav kub.Yog li ntawd, qhov teeb meem ntawm thermal tswj ntawm LEDs yog heev muaj nuj nqis, thiab lub hom phiaj yog nyob rau hauv lub tshav kub dissipation ntawm LED substrate.Cov muaj pes tsawg leeg ntawm high kub-resistant thiab environmentally phooj ywg tshav kub dissipation insulating txheej ntaub ntawv lays lub hauv paus rau nkag mus rau lub high-brightness LED teeb pom kev lag luam.
4 Saj zawg zog thiab luam ntawv electronics thiab lwm yam yuav tsum tau
4.1 Cov kev cai ntawm lub rooj tsavxwm hloov tau
Kev siv hluav taws xob me me thiab thinning ntawm cov khoom siv hluav taws xob yuav ua rau muaj kev hloov pauv ntau ntawm cov ntawv luam tawm Circuit Court boards (FPCB) thiab rigid-flex printed circuit boards (R-FPCB).Kev lag luam FPCB thoob ntiaj teb tam sim no kwv yees kwv yees li 13 billion US las, thiab qhov kev loj hlob txhua xyoo yuav tsum siab dua li cov PCBs nruj.
Nrog rau kev nthuav dav ntawm daim ntawv thov, ntxiv rau qhov nce ntawm tus lej, yuav muaj ntau yam kev ua haujlwm tshiab.Polyimide films muaj nyob rau hauv cov xim tsis muaj xim thiab pob tshab, dawb, dub, thiab daj, thiab muaj cov cua kub tsis kam thiab tsis tshua muaj CTE zog, uas haum rau ntau zaus.Tus nqi-zoo polyester zaj duab xis substrates kuj muaj nyob rau hauv kev ua lag luam.Cov kev sib tw tshiab muaj xws li elasticity siab, qhov ntev stability, zaj duab xis nto zoo, thiab zaj duab xis photoelectric coupling thiab ib puag ncig tiv thaiv kom tau raws li qhov yuav tsum tau hloov pauv ntawm cov neeg siv kawg.
FPCB thiab rigid HDI boards yuav tsum ua kom tau raws li qhov yuav tsum tau muaj ntawm high-speed thiab high-frequency teeb liab kis tau tus mob.Lub dielectric tas li thiab dielectric poob ntawm cov hloov pauv hloov pauv yuav tsum tau them nyiaj rau.Polytetrafluoroethylene thiab qib siab polyimide substrates tuaj yeem siv los ua kom yooj yim.Circuit.Ntxiv inorganic hmoov thiab carbon fiber muab tub lim rau polyimide resin tuaj yeem tsim tau peb txheej txheej ntawm hloov pauv thermally conductive substrate.Cov khoom siv inorganic siv yog txhuas nitride (AlN), txhuas oxide (Al2O3) thiab hexagonal boron nitride (HBN).Lub substrate muaj 1.51W / mK thermal conductivity thiab tuaj yeem tiv taus 2.5kV withstand voltage thiab 180 degree dabtsi yog khoov kuaj.
FPCB daim ntawv thov kev lag luam, xws li cov xov tooj ntse, cov cuab yeej siv tau zoo, cov cuab yeej kho mob, neeg hlau, thiab lwm yam, muab cov kev xav tau tshiab ntawm cov qauv kev ua haujlwm ntawm FPCB, thiab tsim cov khoom FPCB tshiab.Xws li ultra-thin saj zawg zog multilayer board, plaub-txheej FPCB raug txo los ntawm cov pa 0.4mm txog li 0.2mm;high-speed kis tau tus mob saj zawg zog board, siv low-Dk thiab low-Df polyimide substrate, ncav cuag 5Gbps kis tau tus mob ceev yuav tsum tau;loj Lub hwj chim hloov tau lub rooj tsavxwm siv ib tug neeg xyuas pib saum 100μm kom tau raws li cov kev xav tau ntawm high-power thiab high-tam sim no circuits;lub siab kub dissipation hlau-raws li lub rooj tsavxwm hloov tau yog R-FPCB uas siv cov phaj hlau substrate ib nrab;Lub tactile saj zawg zog board yog siab-sensed Lub membrane thiab cov electrode yog sandwiched ntawm ob polyimide films los tsim ib tug saj zawg zog tactile sensor;ib lub rooj tsavxwm stretchable los yog lub rooj tsavxwm nruj-flex, qhov hloov pauv tau yooj yim yog ib qho elastomer, thiab cov duab ntawm cov hlau hlau qauv yog txhim kho kom stretchable.Tau kawg, cov FPCBs tshwj xeeb no xav tau cov substrates tsis zoo.
4.2 Printed electronics yuav tsum
Cov ntawv luam tawm hluav taws xob tau nce siab nyob rau xyoo tas los no, thiab nws tau kwv yees tias los ntawm nruab nrab xyoo 2020, cov khoom siv hluav taws xob luam tawm yuav muaj kev lag luam ntau dua 300 billion US dollars.Kev siv tshuab luam ntawv tshuab hluav taws xob rau kev lag luam luam tawm yog ib feem ntawm cov tshuab luam ntawv Circuit Court, uas tau dhau los ua kev pom zoo hauv kev lag luam.Cov tshuab luam ntawv tshuab hluav taws xob yog qhov ze tshaj plaws rau FPCB.Tam sim no PCB cov tuam txhab tau nqis peev hauv cov khoom siv hluav taws xob luam tawm.Lawv pib nrog cov boards hloov tau yooj yim thiab hloov cov ntawv luam tawm Circuit Board (PCB) nrog cov ntawv luam tawm hluav taws xob (PEC).Tam sim no, muaj ntau yam substrates thiab cov ntaub ntawv number case, thiab thaum muaj kev ua tiav ntawm kev ua tau zoo thiab tus nqi, lawv yuav siv dav.PCB manufacturers yuav tsum tsis txhob plam lub sijhawm.
Daim ntawv thov tseem ceeb tam sim no ntawm cov khoom siv hluav taws xob luam tawm yog kev tsim cov khoom siv hluav taws xob qis qis (RFID) cov cim npe, uas tuaj yeem luam tawm hauv yob.Lub peev xwm yog nyob rau hauv cov cheeb tsam ntawm cov ntawv luam tawm, teeb pom kev zoo, thiab cov organic photovoltaics.Kev lag luam thev naus laus zis wearable tam sim no yog kev lag luam zoo tshaj tawm.Ntau yam khoom siv thev naus laus zis, xws li cov khaub ncaws ntse thiab cov tsom iav kev ua si ntse, kev ua haujlwm saib xyuas, pw tsaug zog sensors, smart watches, txhim kho qhov tseeb headsets, navigation compasses, thiab lwm yam. Cov khoom siv hluav taws xob hloov tau yooj yim yog qhov tseem ceeb rau cov khoom siv thev naus laus zis, uas yuav ua rau kev txhim kho ntawm kev hloov pauv. luam tawm hluav taws xob circuits.
Ib qho tseem ceeb ntawm cov tshuab luam ntawv hluav taws xob yog cov khoom siv, suav nrog cov substrates thiab cov inks ua haujlwm.Flexible substrates tsis tsuas yog haum rau FPCBs uas twb muaj lawm, tab sis kuj muaj kev ua tau zoo dua substrates.Tam sim no, muaj cov khoom siv high-dielectric substrate tsim los ntawm kev sib xyaw ntawm ceramics thiab polymer resins, nrog rau cov kub kub substrates, low-temperature substrates thiab tsis muaj xim pob tshab substrates., Yellow substrate, thiab lwm yam.
4 Saj zawg zog thiab luam ntawv electronics thiab lwm yam yuav tsum tau
4.1 Cov kev cai ntawm lub rooj tsavxwm hloov tau
Kev siv hluav taws xob me me thiab thinning ntawm cov khoom siv hluav taws xob yuav ua rau muaj kev hloov pauv ntau ntawm cov ntawv luam tawm Circuit Court boards (FPCB) thiab rigid-flex printed circuit boards (R-FPCB).Kev lag luam FPCB thoob ntiaj teb tam sim no kwv yees kwv yees li 13 billion US las, thiab qhov kev loj hlob txhua xyoo yuav tsum siab dua li cov PCBs nruj.
Nrog rau kev nthuav dav ntawm daim ntawv thov, ntxiv rau qhov nce ntawm tus lej, yuav muaj ntau yam kev ua haujlwm tshiab.Polyimide films muaj nyob rau hauv cov xim tsis muaj xim thiab pob tshab, dawb, dub, thiab daj, thiab muaj cov cua kub tsis kam thiab tsis tshua muaj CTE zog, uas haum rau ntau zaus.Tus nqi-zoo polyester zaj duab xis substrates kuj muaj nyob rau hauv kev ua lag luam.Cov kev sib tw tshiab muaj xws li elasticity siab, qhov ntev stability, zaj duab xis nto zoo, thiab zaj duab xis photoelectric coupling thiab ib puag ncig tiv thaiv kom tau raws li qhov yuav tsum tau hloov pauv ntawm cov neeg siv kawg.
FPCB thiab rigid HDI boards yuav tsum ua kom tau raws li qhov yuav tsum tau muaj ntawm high-speed thiab high-frequency teeb liab kis tau tus mob.Lub dielectric tas li thiab dielectric poob ntawm cov hloov pauv hloov pauv yuav tsum tau them nyiaj rau.Polytetrafluoroethylene thiab qib siab polyimide substrates tuaj yeem siv los ua kom yooj yim.Circuit.Ntxiv inorganic hmoov thiab carbon fiber muab tub lim rau polyimide resin tuaj yeem tsim tau peb txheej txheej ntawm hloov pauv thermally conductive substrate.Cov khoom siv inorganic siv yog txhuas nitride (AlN), txhuas oxide (Al2O3) thiab hexagonal boron nitride (HBN).Lub substrate muaj 1.51W / mK thermal conductivity thiab tuaj yeem tiv taus 2.5kV withstand voltage thiab 180 degree dabtsi yog khoov kuaj.
FPCB daim ntawv thov kev lag luam, xws li cov xov tooj ntse, cov cuab yeej siv tau zoo, cov cuab yeej kho mob, neeg hlau, thiab lwm yam, muab cov kev xav tau tshiab ntawm cov qauv kev ua haujlwm ntawm FPCB, thiab tsim cov khoom FPCB tshiab.Xws li ultra-thin saj zawg zog multilayer board, plaub-txheej FPCB raug txo los ntawm cov pa 0.4mm txog li 0.2mm;high-speed kis tau tus mob saj zawg zog board, siv low-Dk thiab low-Df polyimide substrate, ncav cuag 5Gbps kis tau tus mob ceev yuav tsum tau;loj Lub hwj chim hloov tau lub rooj tsavxwm siv ib tug neeg xyuas pib saum 100μm kom tau raws li cov kev xav tau ntawm high-power thiab high-tam sim no circuits;lub siab kub dissipation hlau-raws li lub rooj tsavxwm hloov tau yog R-FPCB uas siv cov phaj hlau substrate ib nrab;Lub tactile saj zawg zog board yog siab-sensed Lub membrane thiab cov electrode yog sandwiched ntawm ob polyimide films los tsim ib tug saj zawg zog tactile sensor;ib lub rooj tsavxwm stretchable flexible board los yog ib lub rigid-flex board, lub saj zawg zog substrate yog ib tug elastomer, thiab cov duab ntawm cov hlau hlau qauv yog txhim kho kom stretchable.Tau kawg, cov FPCBs tshwj xeeb no xav tau cov substrates tsis zoo.
4.2 Printed electronics yuav tsum
Cov ntawv luam tawm hluav taws xob tau nce siab nyob rau xyoo tas los no, thiab nws tau kwv yees tias los ntawm nruab nrab xyoo 2020, cov khoom siv hluav taws xob luam tawm yuav muaj kev lag luam ntau dua 300 billion US dollars.Kev siv tshuab luam ntawv tshuab hluav taws xob rau kev lag luam luam tawm yog ib feem ntawm cov tshuab luam ntawv Circuit Court, uas tau dhau los ua kev pom zoo hauv kev lag luam.Cov tshuab luam ntawv tshuab hluav taws xob yog qhov ze tshaj plaws rau FPCB.Tam sim no PCB cov tuam txhab tau nqis peev hauv cov khoom siv hluav taws xob luam tawm.Lawv pib nrog cov boards hloov tau yooj yim thiab hloov cov ntawv luam tawm Circuit Board (PCB) nrog cov ntawv luam tawm hluav taws xob (PEC).Tam sim no, muaj ntau lub substrates thiab cov ntaub ntawv number case, thiab thaum muaj kev tawg ntawm kev ua tau zoo thiab tus nqi, lawv yuav siv dav.PCB manufacturers yuav tsum tsis txhob plam lub sijhawm.
Daim ntawv thov tseem ceeb tam sim no ntawm cov khoom siv hluav taws xob luam tawm yog kev tsim cov khoom siv hluav taws xob qis qis (RFID) cov cim npe, uas tuaj yeem luam tawm hauv yob.Lub peev xwm yog nyob rau hauv cov cheeb tsam ntawm cov ntawv luam tawm, teeb pom kev zoo, thiab cov organic photovoltaics.Lub khw muag khoom siv thev naus laus zis yog tam sim no muaj kev lag luam zoo tshaj tawm.Ntau yam khoom siv thev naus laus zis, xws li cov khaub ncaws ntse thiab cov tsom iav kev ua si ntse, kev ua haujlwm saib xyuas, pw tsaug zog sensors, smart watches, txhim kho qhov tseeb headsets, navigation compasses, thiab lwm yam. Cov khoom siv hluav taws xob hloov tau yooj yim yog qhov tseem ceeb rau cov khoom siv thev naus laus zis, uas yuav ua rau kev txhim kho ntawm kev hloov pauv. luam tawm hluav taws xob circuits.
Ib qho tseem ceeb ntawm cov tshuab luam ntawv hluav taws xob yog cov khoom siv, suav nrog cov substrates thiab cov inks ua haujlwm.Flexible substrates tsis tsuas yog haum rau FPCBs uas twb muaj lawm, tab sis kuj muaj kev ua tau zoo dua substrates.Tam sim no, muaj cov khoom siv high-dielectric substrate tsim los ntawm kev sib xyaw ntawm ceramics thiab polymer resins, nrog rau cov kub kub substrates, low-temperature substrates thiab colorless transparent substrates., Yellow substrate, etc.