Iwe unogona kuwana mashoma makuru marudzi eakadhindwa edunhu mabhodhi. Aya ndiwo ane divi rimwe chete, maviri-mativi, uye multilayer dhizaini. Kune zvakare dzakaomarara, dzinochinjika, uye dzakaomarara-flex sarudzo. Imwe neimwe pcb mhando ine yakakosha maficha emabasa akasiyana. Semuenzaniso, HDI uye standard multilayer mapuranga anozivikanwa zvikuru. Vanobatsira nekushanda kwepamusoro uye hukuru huduku. Tafura iri pazasi inoronga mamwe akajairika pcb mhando uye izvo zvavanoshandiswa nazvo:
PCB Type | Key Features | Zvishandiso Zvakajairika |
|---|---|---|
omarara | Yakasimba, yakagadzikana | Motokari, aerospace |
tefa | Bendable, compact | Zvinopfeka, sensors |
Rigid-Flex | Inobatanidza yakasimba uye inoshanduka | Mauto, motokari |
Iwe unogona kutora yakanakisa yakadhindwa yedunhu bhodhi yepurojekiti yako. Tarisa maitiro uye kushandiswa kukubatsira iwe kusarudza.
Zvitsva Zvitsva
Mabhodhi edunhu akadhindwa ane marudzi akawanda. Izvi zvinosanganisira single-sided, double-sided, multilayer, rigid, flexible, uye rigid-flex. Rudzi rumwe norumwe runoshanda zvakanyanya kuzvinhu zvakasiyana.
Kutora PCB chaiyo kunoenderana nezvinhu zvishoma. Iwe unofanirwa kufunga nezvematanho, kuchinjika, zvinhu, uye kwazvichashandiswa.
Flexible PCBs inogona kukotama uye kubatsira kuchengetedza nzvimbo. MaPCB akaomarara akasimba uye haakotame. Rigid-flex PCBs inosanganisa marudzi ese. Vanoshanda zvakanaka mumidziyo yakaoma, inofamba.
FR-4 chinhu chinoshandiswa nevanhu vakawanda uye hachidhure mari yakawanda. MaPCB esimbi-core neceramic anonyatsonaka kana achipisa. Anoshandiswa pamabasa akakosha.
Dhizaini yakanaka yePCB inobatsira kuti ishande zvirinani uye igare kwenguva refu. Kuisa zvikamu nokungwarira kwakakosha. Nguva dzose tarisa dhizaini yako usati waigadzira.
Mhando dzeMabhodhi Edunhu Akadhindwa
Mapuranga edunhu akadhindwa ane zvimiro zvakawanda uye mashandisirwo. Iwe unogona kuzvironga nezvikamu, kuchinjika, zvishandiso, kuburikidza nechimiro, akakosha maficha, uye kwaanoshandiswa. Imwe neimwe pcb mhando yakanaka kune mamwe mabasa. Ngatitarisei mhando huru dzemapuranga edunhu akadhindwa. Izvi zvinokubatsira kuti usarudze bhodhi rakakodzera reprojekiti yako.
Classification by Number of Layers
Mapuranga edunhu akadhindwa anogona kuva nenhamba dzakasiyana dzemhangura. Huwandu hwemateya hunochinja kuoma kwaanoita kugadzira, kuti anodhura zvakadini, uye kuti anoshanda zvakanaka sei.
PCB Type | Uwandu akaturikidzana | Tsananguro uye Zvimiro |
|---|---|---|
Single-sided Board | 1 rukoko | Maseketi ari kudivi rimwe chete. Dhizaini yepcb iri nyore . Inoshandiswa mumagetsi emazuva ano. |
Kaviri-sided Board | 2 akaturikidzana | Denderedzwa kumativi maviri. Inotsigira zvimwe zvikamu uye kushanda kuri nani. |
Multi-layer Board | 4 kusvika ku8 zvikamu (kunyange) | Matanho akawanda akaturikidzana. Inobata masekete akaoma uye kumhanya kwakanyanya. Inogona kusvika kusvika 100 layers. |
Zano: MaPCB ane layer yakawanda anowanzova nenhamba yakaenzana ye layer. Izvi zvinoita kuti marongerwo ePCB arambe akati sandara uye akasimba.
Single-Sid PCB
Denderedzwa dziri parutivi rumwe chete rwebhodhi.
Iyi single-layer pcb iri nyore uye yakachipa.
Iwe unoishandisa muzvinhu zvakaita sema calculator uye magetsi ekushandisa.
Zvakanakira: Inodhura zvishoma, inogadzirwa nekukurumidza.
Zvakaipa: Hazvina kunaka pamabasa akaoma, zvinotora nzvimbo yakawanda.
Kaviri-Sidhi PCB
Iyi pcb mhando ine matunhu kumativi ose.
Unogona kuwedzera zvimwe zvikamu uye kushandisa vias kubatanidza mativi ose.
Iwe unoona kaviri-layer pcb mune odhiyo giya, vending michina, uye LED mwenje.
Zvakanakira: Nzira dzakawanda dzekugadzira, dzinoshanda zviri nani.
Zvakaipa: Zvakaoma kugadzira, zvinodhura kupfuura single-layer pcb.
Multi-Layer PCB
Multi-layer pcb stacks ina kana kupfuura akaturikidzana.
Iwe unoishandisa mumakomputa, mafoni, uye zvishandiso zvekurapa.
Multilayer pcbs inokurumidza, duku, uye inogona kuva yakaoma zvikuru.
Zvakanakira: Inokodzera zvikamu zvakawanda, inochengetedza masaini akasimba, inochengetedza nzvimbo.
Zvakaipa: Zvinodhura zvakanyanya, zvakaoma kugadzirisa.
Classification by Flexibility
Mabhodhi edunhu akadhindwa anogona kuve akaomarara, anochinjika, kana musanganiswa wezvose. Yakawanda sei bhodhi inokotama inoshandura mashandisiro aunoita nekuigadzira.
mamiriro | PCB yakaoma | Zvichienderana pcb | Rigid-Flex PCB |
|---|---|---|---|
mutengo | Low | High | Highest |
mukurumari | Durable pakushandisa static | Yakasimba pasi pekukotama | Superior kune dzakaoma nharaunda |
Kubvuma sanduko | hapana | Yakakwira (inogona kukotama uye kumonyoroka) | Zvikamu (zvinoshanduka uye zvakaoma zvikamu) |
uremu | Heavy | chiedza | eresera |
Shandisa Zviitiko | TV, makombiyuta, midziyo | Zvinopfekeka, makamera, masensa | Aerospace, zvokurapa, motokari |
PCB yakaoma
Rigid pcbs haikotama kana kushandura chimiro.
Iwe unoashandisa muTV, makomputa, uye mamwe emagetsi epamba.
Iri bhodhi rakaomarara rakachipa uye riri nyore kugadzira muhombe.
Zvichienderana pcb
PCB inochinjika inogona kukotama, kupeta, kana kumonyorora isina kutyoka.
Iwe unoshandisa mabhodhi anochinjika munzvimbo dzakasimba, senge smartwachi nemakamera.
Flex pcbs chengetedza nzvimbo uye uremu hushoma.
Cherechedza: MaPCB anochinjika anodhura zvakanyanya uye anoda dhizaini yekungwarira yePCB kuti asaputsike.
Rigid-Flex PCB
Rigid-flex pcbs ine zvikamu zvakaomarara uye zvakakombama.
Unoashandisa mundege, maturusi ezvokurapa, uye mumotokari.
Rigid-flex pcbs yakasimba uye inogona kubata kuzunungusa uye kufamba.
Aya mabhodhi anoshandisa mashoma ekubatanidza uye waya, saka mudziyo wako unogara kwenguva refu.
Flex pcbs inogona kutora nzvimbo yemapuranga akawanda akaoma uye tambo. Izvi zvinoita kuti dhizaini yako ireruke uye yakasimba.
Kurongwa Nezvinhu
Zvinhu zvaunosarudza zvebhodhi rako rakadhindwa rinoshandura mabatiro azvinoita kupisa, magetsi, uye mutengo.
PCB Type | Thermal Conductivity (W/m·K) | Dielectric Kurasika (Df pa1 MHz) | Key Features uye Applications |
|---|---|---|---|
FR-4 | 0.3 - 0.5 | 0.02 - 0.03 | Most common. Insulation yakanaka, mutengo wakaderera. Inoshandiswa mune zvese zvemagetsi. |
CEM-1 | ~ 0.3 - 0.5 | ~ 0.02 - 0.03 | Yakachipa kupfuura FR-4. Inoshandiswa mune single-layer pcb kune nyore zvishandiso. |
CEM-3 | ~ 0.3 - 0.5 | ~ 0.02 - 0.03 | Simba riri nani uye kuramba kwemoto. Inoshandiswa mune kaviri-layer pcb uye multilayer pcbs. |
Metal-Core PCB | 20 - 200+ | N / A | Excellent heat dissipation. Inoshandiswa mumagetsi e LED uye magetsi emagetsi. |
Ceramic PCB | 20 - 250 | 0.0002 - 0.0005 | Superior thermal uye magetsi zvinhu. Inoshandiswa mune aerospace, RF, uye yakakwirira-simba zvishandiso. |
FR-4 PCB
FR-4 inogadzirwa kubva kugirazi-fiber uye epoxy.
Iwe unoishandisa kune akawanda akadhindwa edunhu mabhodhi.
Yakanaka pakumisa magetsi uye haina mari yakawanda.
CEM-1 / CEM-3 PCB
CEM-1 yakachipa uye inoshandiswa kune imwe-layer pcb.
CEM-3 yakasimba uye haipisi nyore. Inoshandiswa mune kaviri-layer pcb uye multilayer pcbs.
High-Frequency PCB
Inoshandisa zvakakosha zvinhu zvine yakaderera dielectric kurasikirwa.
Unoda ichi pcb mhando kuti kutsanya kukurukurirana uye RF namano.
Metal-Core PCB
Metal-core pcb inoshandisa aruminiyamu kana mhangura sehwaro.
Inobata kupisa zvakanaka, yakanakira mwenje we LED uye magetsi emagetsi.
Ceramic PCB
Ceramic boards ndiyo yakanakisisa yekupisa uye magetsi.
Unoashandisa mundege, mauto, uye mabasa epamusoro-soro.
FR-4 inoshanda pazvinhu zvakawanda, asi shandisa simbi-musimboti kana ceramic pakupisa kwakanyanya kana masaini ekukurumidza.
Classification kubudikidza Via Structure
Vias batanidza zvidimbu zvakasiyana mune yako yakadhindwa redunhu bhodhi. Iyo nzira vias inogadzirwa inoshandura chiratidzo chemhando uye kuti bhodhi inovakwa sei.
Maburi ekupinza: Pinda muzvikamu zvese. Anoshandiswa mukugadzirwa kwepcb kwakawanda.
Magirazi asina kujeka: Batanidza zvidimbu zvekunze nezvidimbu zvemukati, zvichichengetedza nzvimbo.
Mavhiya akavigwa: Chinongedzo mukati mezvikamu chete, chakavanzika kuti chisaonekwe.
Microvias: Diki zvikuru, rakagadzirwa nelaser, rinoshandiswa muHDI pcb mhando yemagadzirirwo madiki.
Kuburikidza neHole PCB
Inoshandisa kuburikidza-buri vias kubatanidza layers.
Zviri nyore kugadzira, asi zvinogona kukanganisa masaini mumagadzirirwo anokurumidza.
HDI PCB (High-Density Interconnect)
Inoshandisa microvias, bofu, uye yakavigwa vias.
Yakanaka kune inonyengera pcb marongerwo uye madiki mabhodhi.
Iwe unowana HDI mumafoni, mahwendefa, nemidziyo yekurapa.
Kwete-kuburikidza nePCB
Kwete vias zvachose. Nyore pcb mhando nyore matunhu.
Chete chete-rukoko pcb kana nyore kaviri-runyoro pcb.
Vias inogona kuita kuti zviratidzo zvishaye simba kana zvisina kuitwa nemazvo. HDI uye microvias zvinobatsira kuchengetedza masaini akasimba mumaseketi anokurumidza.
Classification by Functional/Process Features
Mamwe mabhodhi edunhu akadhindwa ane zvinhu zvakakosha zvemabasa akaomarara.
PCB Type | Key Features |
|---|---|
High Tg | Inoshingirira tembiricha yakakwira. Inoshandiswa mumotokari uye maindasitiri ekudzora. |
Yakakwira Frequency | Inochengetedza mhando yechiratidzo pakumhanya kwakanyanya. Inoshandiswa mu5G, radar, uye RF zvishandiso. |
Heavy Copper | Makobvu emhangura akaturikidzana epamusoro ikozvino. Inoshandiswa mumagetsi emagetsi uye kudzora mota. |
ENIG | Goridhe pamusoro pekupedzisira kune zvirinani soldering uye corrosion resistance. Inoshandiswa mumabasa akavimbika. |
Embedded Passive | Resistors uye capacitors akavakirwa mubhodhi. Inochengetedza nzvimbo uye inovandudza kushanda. |
Bofu/Vakavigwa Vias | Inogonesa yakaoma multilayer pcbs uye yakakwirira-density pcb marongerwo. |
High-Frequency PCB
Inoshandisa zvinhu zvine yakaderera dielectric kurasikirwa.
Unoda iyi pcb mhando yekukurumidza data uye masaini masaini.
High Tg PCB
Iine tembiricha yepamusoro yegirazi.
Inobata kupisa uye kusagadzikana mumotokari nemafekitari.
Heavy Copper PCB
Iine mhangura dzakakora.
Inotakura simba rakawanda uye inobata kupisa zviri nani.
ENIG PCB (Electroless Nickel Immersion Gold)
Goridhe rinopera rinoita kuti rirambe rakati sandara uye rinomisa ngura.
Inoshandiswa mumabasa madiki uye akakosha.
Embedded Passive PCB
Zvikamu zvakaita seresistors uye capacitors zviri mukati mebhodhi.
Inochengetedza nzvimbo uye inobatsira bhodhi kushanda zviri nani.
Bofu/Kuvigwa Via PCB
Inoshandisa mapofu uye akavigwa vias kune anonyengera kubatana.
Yakanaka kune yepamusoro multilayer pcbs uye diki pcb dhizaini.
Classification by Application Field
Iwe unogona kufananidza akasiyana akadhindwa edunhu mabhodhi kune mamwe maindasitiri. Basa rega rega rinoda rudzi rwakasiyana rwebhodhi.
Application Field | Yakajairika PCB Mhando Dzakashandiswa | Notes |
|---|---|---|
Consumer Electronics | Single-sided, double-layer, FR-4 | Mabhodhi akareruka, akaderera-mutengo eTV, matoyi, uye magajeti. |
Computer uye Mobile Devices | HDI, multi-layer pcb, rigid-flex pcbs | High density uye saizi diki yemafoni, mahwendefa, uye malaptop. |
Zvirwere Zvirwere | HDI, multi-layer pcb, rigid-flex pcbs | Yakavimbika, yakabatana, uye yakachengeteka kumidziyo yekurapa. |
Zvemagetsi Electronics | Multi-layer pcb, yakakwirira Tg, yakaoma-inoshanduka pcbs | Inoshingirira kupisa, kutenheka, uye kushushikana. |
Industrial kushandisa michina | Multi-layer pcb, inorema mhangura, yakakwirira Tg | Inobata simba, kupisa, uye nharaunda dzakaoma. |
LED Lighting | Metal-core pcb, single-layer pcb | Inotarisira kupisa kwekugara kwenguva refu mwenje we LED. |
Aerospace/Mauto | Ceramic, multi-layer pcb, rigid-flex pcbs | Inoda kuvimbika kwepamusoro, kuramba kupisa, uye chiratidzo chemhando. |
Nguva dzose tora pcb mhando inoenderana nebasa rako. Somuenzaniso, shandisa rigid-flex pcbs mundege, flexible pcbs in wearables, uye simbi-core pcb muna LED zviedza.
PCB Type Zvimiro uye Zvishandiso
Mamiriro Akakosha Kuenzanisa
Zvakakosha kutarisa mabhodhi akasiyana-siyana ecircuit akadhindwa usati wasarudza rimwe. Rudzi rwega rwega rwepcb rune maficha arwo uye mapoinzi akanaka. Tafura iri pazasi inoratidza kuti mhando huru dzakasiyana sei:
PCB Type | Zvinhu Zvikuru | Advantages |
|---|---|---|
Mumwechete Akatsigira | Imwe mhangura yemhangura | Mutengo wakaderera, nyore kugadzira, wakanakira maseketi akareruka |
Akatenderedzwa kaviri | Mhangura yemhangura kumativi ose maviri, akabatanidzwa nemakomba | Zvimwe zvikamu, kuita zvirinani, kushandiswa mumafoni, odhiyo |
Multi-dura | Matare akawanda emhangura, akaturikidzana | Compact, inochinjika pcb dhizaini, inobata kumhanya kwakanyanya |
omarara | Zvakaoma, hazvikotame | Yakasimba, iri nyore kugadzirisa, inokodzera yakaoma pcb marongero |
tefa | Bends uye twists, zvinhu zvitete | Inochengetedza nzvimbo, chiedza, inobata high signal density |
Rigid-Flex | Musanganiswa weakaomarara uye anochinjika layers | Inochengetedza kusvika ku60% nzvimbo, inoshandiswa mune zvekurapa nemauto |
Inoshanda pa500MHz-2GHz | Yakakura yekukurumidza masaini, anoshandiswa mu5G uye radar | |
Aluminium Yakatsigirwa | Metal base yekudzora kupisa | Inobata kupisa, yakanaka kune mwenje we LED uye magetsi emagetsi |
Iwe unofanirwawo kufunga nezve izvo bhodhi rakagadzirwa. Zvimwe zvinhu zviri nani kune mamwe mabasa. FR4 yakachipa uye inoshanda zvakanaka kune zvakawanda zvinhu. Rogers uye Taconic akanakira masaini ekukurumidza asi anodhura mari yakawanda. Metal core boards inobatsira kutonhodza midziyo yemagetsi.
Zano: Kana uchida bhodhi remabasa emagetsi anokurumidza kana akasimba, tarisa kuti zvinhu zvacho zvinobata sei kupisa nemagetsi.
Maitiro echimiro
Mabhodhi edunhu akadhindwa anoshandiswa munenge maindasitiri ese. Bhodhi rimwe nerimwe rakagadzirirwa basa rinokosha. Heino mimwe mienzaniso:
Mota : Zvinodzora injini, mwenje ye LED, uye madhibhodhi zvinoshandisa maPCB akaomarara uye mabhodhi esimbi.
Muchadenga : Masatellite neshongwe dzekudzora dzinoda maPCB ane layer yakawanda uye akasimba kuti dzivakwe zvakasimba uye zvakareruka.
Makombiyuta eVatengi : Mafoni, maTV, uye makomputa zvinoshandisa mabhodhi ane mativi maviri uye akawanda-wanda pakugadzira maPCB madiki.
Midziyo Yekurapa : Mamotari emoyo nema scanner anoshandisa ma pcb anochinjika uye ma pcb anochinjika kuti ashande zvakanaka, madiki, uye akavimbika.
Kutaurirana : Network dze5G nemidziyo yeGPS zvinoda mabhodhi ane mafrequency akawanda uye akawanda-wanda kuti zviratidzo zvionekwe nekukurumidza uye zvakajeka.
Mwenje we LED : Mabhodhi esimbi akadhindwa anobatsira kudzora kupisa mumababu nema display.
Unofanira kushandisa chinjikira pcbs uye kuchinjika pcb ari wearables uye zvokurapa maturusi. Aya mapuranga anogona kukotama uye kupinda munzvimbo duku. Rigid pcb yakanakira kumba zvemagetsi uye makomputa. Flex pcbs inoshandawo zvakanaka mumakamera uye ma sensors uko nzvimbo yakaoma. Rigid-flex pcbs kupa zvose simba uye kukotama, mukuru kuti Aerospace uye zvehondo giya.
Rangarira: Yakanaka pcb dhizaini uye kodzero pcb marongerwo anobatsira akadhindwa redunhu bhodhi rako kwenguva refu uye kushanda nani.
Kusarudza Rudyi PCB Type
Sarudzo Zviitiko
Paunosarudza bhodhi redunhu rakadhindwa, unofanira kufunga nezvezvimwe zvinhu zvakakosha. Sarudzo idzi dzinogona kuchinja mashandiro epurojekiti yako uye kuti inodhura zvakadii. Heano zvinhu zvikuru zvekutarisa: 1. Saizi uye Chimiro : Mabhodhi makuru kana ane chimiro chisinganzwisisike anoda zvinhu zvakawanda uye anotora nguva yakareba kugadzira. 2. Kuomarara : Mabhodhi ane ma layer akawanda kana zvinhu zvakakosha seHDI zvakaoma kugadzira uye zvinodhura zvakanyanya. 3. Rudzi rweBhodhi : Unofanira kusarudza kana uchida mabhodhi akaomarara, anochinjika, kana akaomarara epurojekiti yako. 4. Zvinhu : Zvinhu zvepasi zvinoshandura mashandiro anoita bhodhi kupisa, kuti rakasimba sei, uye kuti rinodhura zvakadii. FR-4 inoshandiswa zvakanyanya, asi mamwe mabasa anoda zvimwe zvinhu. 5. Kuwanda kweLayer : Ma layer akawanda anobatsira nema circuits akaomarara asi anodhurawo zvakanyanya uye anotora nguva yakareba. 6. Ukobvu hweCopper : Copper yakakora inobvumira simba rakawanda kuyerera asi inodhura zvakanyanya. 7. Surface Finish : Kupera kwakasiyana kunochengetedza bhodhi rakachengeteka uye kunochinja mutengo. 8. Trace Width : Ma traces akafara anotakura magetsi akawanda asi anoshandisa copper yakawanda. 9. Nguva Yekutungamirira : Kana uchida bhodhi rako nekukurumidza, rinodhura zvakanyanya. 10. Zvinhu Zvakagadzirirwa : Maburi, maumbirwo, kana machira akakosha anoita kuti bhodhi rive rakaoma. Unofanira kuenzanisa zvinhu izvi nezvaunoda kuti rishande zvakanaka, rive rakavimbika, uye bhajeti rako.
IPC Makirasi Overview
Makirasi eIPC anokubatsira kusarudza mhando yakakodzera yedhizaini yako yepcb. Makirasi aya anoisa mitemo yekuti mabhodhi ecircuit akadhindwa anogadzirwa sei uye anoedzwa sei. Heino gwara rinokurumidza: | Kirasi yeIPC | Kutenderera Kwehupenyu | Hunhu Hwemhando | Tsananguro | Kushandiswa Kwakajairika | |———–|—————–|—————————————————————–|———————————————–| | Kirasi 1 | Pfupi | Yekutanga | Yemagetsi ari nyore ane hupenyu hupfupi | Matoyi, ma remote | | Kirasi 2 | Refu | Yakanaka | Yezvigadzirwa zvinoda kushanda kwakasimba uye kwakavimbika | Malaptop, zvishandiso zvakangwara | | Kirasi 3 | Refu Zvakanyanya | Inodzivirira Kukundikana | Yemasisitimu akakosha uko kukundikana kusingabvumidzwe | Zvekurapa, zvendege, zvemauto | Unofanira kusarudza kirasi yeIPC inokodzera njodzi yechigadzirwa chako uye kuti inofanira kuva yakavimbika sei. Semuenzaniso, shandisa Kirasi 3 yekurapa kana yendege, uye Kirasi 1 yematoyi.
Mazano anobatsira
Unogona kumisa zvikanganiso zvakajairika uye kuita kuti pcb yako dhizaini ive nani nekutevera matipi aya: - Gara uchitarisa kwaunoisa zvikamu zvako uye kuti vari pedyo sei vachishandisa 3D mhando. -Isa decoupling capacitors padyo nepini yemagetsi kudzikisa ruzha. -Chengetedza analog uye dhijitari maseketi akaparadzana kuti asakanganise. -Shandisa iyo yakaringana yekutevera hupamhi hwehuwandu hwezvino zvaunoda dunhu. -Edza kusashandisa yakawandisa vias pazviratidzo zvekutsanya kuti urambe wakasimba. - Mhanya dhizaini dhizaini tarisa usati watumira mafaera ekugadzirisa bhodhi rekugadzira. - Ita shuwa kuti mapepa ako akajeka uye akazara kuti kuungana kuve nyore. -Edza prototypes ako mumamiriro ezvinhu chaiwo kuti uwane matambudziko nekukurumidza.
Zano: Gara uchinatsiridza bhiri rako rezvinhu uye tarisa kana chero zvikamu zvapera. Izvi zvinokubatsira kuti udzivise kunonoka mukudhindwa redunhu bhodhi kugadzira.
Kana iwe ukatevera matanho aya, unogona kugadzira pcb dhizaini inoshanda nemazvo uye inosangana nezvinangwa zvako zvepurojekiti.
Unogona kutora kubva akawanda PCB mhando. Imwe neimwe ine zvakakosha uye mashandisiro. Tafura iri pazasi inoratidza kuti akasiyana sei:
PCB Type | Key Features & Misiyano | Maitiro echimiro |
|---|---|---|
Imwe-dura | Zviri nyore, zvakachipa, zviri nyore kugadzira | Calculator, makamera, redhiyo |
Double-safu | Zvimwe zvikamu, mativi ose anoshandiswa | Magetsi emagetsi, mwenje we LED |
Multi-dura | Diki, inokodzera masekete mazhinji | Kurapa, GPS, kuchengetedza data |
omarara | Yakaoma, yakati sandara, haikotami | Motherboards, yakagadziriswa michina |
tefa | Bends, inokodzera nzvimbo diki, inodhura zvakanyanya | Zvipfeko, compact electronics |
Rigid-flex | Musanganiswa wekusimba uye unochinjika, kune anonyengera madhizaini | Aerospace, midziyo yepamusoro |
Kutora mhando yePCB chaiyo inochengetedza mari uye inoita kuti chirongwa chako chishande zvirinani. Haisi kambani yese inogona kugadzira marudzi ese, saka tarisa kana vaine hunyanzvi uye zvitupa.
Kurumidza Kuongorora Kusarudza PCB:
Sarudza yakanakisa zvinhu uye mhangura ukobvu.
Sarudza pamusoro pekupedzisira uye solder mask.
Isa miganhu uye tarisa mafaera ako.
Gadzira madhirowa uye BOM yekusangana.
Kana usina chokwadi, bvunza nyanzvi dzePCB rubatsiro. Vanoziva mitemo, vanobatsira kutora zvinhu zvakanaka, uye kuedza kwehutano. Izvi zvinoita kuti purojekiti yako irambe yakachengeteka uye ichishanda zvakanaka.
FAQ
Ndechipi chinhu chinonyanya kuzivikanwa chemapuranga edunhu akadhindwa?
Iwe uchawana FR-4 sechinhu chakajairika zvinhu. Inoshandisa fiberglass uye epoxy. FR-4 inopa simba rakanaka uye kuvhara. Unogona kuishandisa kune akawanda emagetsi.
Unogona here kushandisa maPCB anochinjika munzvimbo dzepamusoro-tembiricha?
Flexible PCBs inogona kubata kumwe kupisa, asi iwe unofanirwa kutarisa chiyero chezvinyorwa. Nekupisa kwakanyanya, ungangoda yakakosha polyimide kana ceramic mabhodhi.
Iwe unosarudza sei iyo chaiyo PCB mhando yepurojekiti yako?
Tanga nekunyora zvaunoda. Funga nezvehukuru, kuchinjika, kupisa, uye mutengo. Iwe unogona kushandisa tafura kuenzanisa sarudzo. Bvunza nyanzvi kana uchinzwa usina chokwadi.
Zano: Gara uchifananidza mhando yePCB kune nharaunda yemudziyo wako uye kuita zvinodiwa.
Chii chinonyanya kukosha cheHDI PCBs?
HDI PCBs dzinokutendera kuti ukwane zvimwe zvikamu munzvimbo diki. Iwe unowana kuita zvirinani uye zvidiki zvishandiso. Iwe unoona HDI mabhodhi mune smartphones uye mahwendefa.
