- 16
- Nov
Kutheni ukhetha i-PCB ye-aluminium substrate?
Izinto eziluncedo ze-aluminium substrate PCB
a. Ukutshatyalaliswa kobushushu kubhetele kakhulu kunomgangatho we-FR-4 isakhiwo.
b. I-dielectric esetyenziswayo idla ngokuphindwe ka-5 ukuya kwi-10 i-thermal conductivity yeglasi ye-epoxy yendabuko kunye ne-1/10 ubukhulu.
c. Isalathiso sokudlulisa ubushushu sisebenza ngakumbi kunePCB yemveli engqongqo.
d. Ungasebenzisa iintsimbi zobhedu ezisezantsi kunezo ziboniswe kwitshathi ecetyiswayo ye-IPC.
IAluminiyam PCB
Ukusetyenziswa kwe-aluminiyam substrate PCB
1. Izixhobo zomsindo: i-input and output amplifiers, i-amplifiers elinganayo, i-audio amplifiers, i-preamplifiers, i-amplifiers yamandla, njl.
2. Izixhobo zokubonelela ngombane: umlawuli wokutshintsha, i-DC / AC converter, umlawuli we-SW, njl.
3. Unxibelelwano lwezixhobo ze-elektroniki: i-high-frequency amplifier ingxelo yesekethe.
4. Izixhobo ezizenzekelayo zeofisi: iimoto zokuqhuba, njl.
5. I-Automobile: i-electronic regulator, i-igniter, isilawuli samandla, njl.
6. Ikhompyutha: Ibhodi ye-CPU `floppy disk drive’ iyunithi yonikezelo lwamandla, njl.
7. Imodyuli yamandla: i-inverter “i-solid state relay” ibhuloho yokulungisa, njl.
Aluminiyam substrates zisetyenziswa ngokubanzi. Kwizixhobo zomsindo jikelele, izixhobo zamandla, kunye nezixhobo zonxibelelwano zombane, kukho ii-PCB ze-aluminium substrate, izixhobo ezizisebenzelayo zeofisi, iimoto, iikhomputha kunye neemodyuli zamandla.
Kukho iiyantlukwano ezintathu phakathi kwebhodi ye-fiberglass kunye ne-aluminium substrate PCB
A. Ixabiso
Amacandelo abalulekileyo e-LED fluorescent tube zezi: ibhodi yesekethe, i-chip ye-LED kunye nokunikezelwa kwamandla okuqhuba. Iibhodi zeesekethe eziqhelekileyo zohlulwe zibe zimbini iintlobo: i-aluminium substrates kunye neebhodi ze-fiberglass. Ukuthelekisa ixabiso lebhodi ye-fiberglass kunye ne-aluminium substrate, ixabiso lebhodi le-fiberglass liya kuba lincinci kakhulu, kodwa ukusebenza kwe-aluminium substrate kuya kuba ngcono kunebhodi ye-fiberglass.
B. Imiba yobugcisa
Ngokwezixhobo ezahlukeneyo kunye neenkqubo zokwenza, iibhodi ze-fiberglass zinokwahlulwa zibe ziintlobo ezintathu: iibhodi ze-copper ze-copper ze-copper ze-foil ezinamacala amabini, iibhodi ze-copper ze-foil ze-copperglass ezinemingxuma, kunye neebhodi ze-fiberglass zobhedu ezinecala elinye. Ngokuqinisekileyo, ixabiso leebhodi ze-fiberglass ezenziwe ngezinto ezahlukeneyo ziya kuba zihluke. Amaxabiso eepaneli ze-fiberglass ezenziwe ngezinto ezahlukeneyo kunye nobuchwepheshe nazo zahlukile. Isiphumo sokutshatyalaliswa kobushushu betyhubhu ye-LED fluorescent kunye nebhodi yefiber yeglasi ayilungile njengaleyo ye-LED fluorescent tube ene-aluminium substrate.
C. Ukusebenza
Njengoko sonke sisazi, i-aluminium substrate inokusebenza kakuhle kokutshabalalisa ubushushu, kwaye ukusebenza kwayo kokutshabalalisa ubushushu kungcono kakhulu kunebhodi ye-fiberglass. Ngenxa yokuba i-aluminium substrate ine-conductivity efanelekileyo ye-thermal, i-aluminium substrate idlala indima ebalulekileyo kwintsimi yezibane ze-LED.