Vagadziri vemabhodhi ePCB vanotungamira vanopa indasitiri zvinhu zvemhando yepamusoro. Makambani aya anosanganisira Isola, Rogers, Panasonic, Shengyi, ITEQ, Nan Ya Plastics, Kingboard, Doosan, uye Goldenmax.
Mhando dzezvinhu zvePCB board zvinoshandiswa nevagadziri vePCB board store pamabhodhi edunhu akadhindwa dzinosanganisira:
FR-4 uye zvinhu zvebhodhi redunhu rakasimbiswa negirazi
Polyimide
zvedongo
PTFE
Muviri wesimbi
Cellulose-based
Zvinhu zvaunosarudza zvinokanganisa mashandiro uye manzwiro ePCB yega yega.
Zvitsva Zvitsva
Kutora kurudyi PCB zvinhu Zvakakosha zvikuru. Zvinochinja kuti zviratidzo zvakajeka sei, kuti zvinofamba nekukurumidza sei, uye kuti bhodhi rinogara kwenguva yakareba sei.
FR-4 ndiyo inonyanya kukosha Zvinhu zvePCB zvakashandiswa. Hazvidhuri zvakanyanya. Zvakasimba uye zvinoshanda pamagetsi akawanda.
Polyimide inogona kukotama uye haikuvadzwi nekupisa. Yakanakira zvinhu zvinoda kukotama asi zvisingatyoke.
MaPCB esimbi anobatsira kudzora kupisa zvakanaka. Anodiwa pamidziyo yakasimba yakaita semwenje ye LED nemagetsi emota.
Kunewo sarudzo dzePCB dzisingakuvadzi nharaunda. Zvinhu zvakaita se cellulose zvinoparara zvega uye zvinoshanda pakushandisa michina iri nyore.
Kukosha kweKusarudzwa kwePCB Material
Mhedzisiro yeMagetsi neMakanika
Kutora kurudyi PCB zvinhu Zvakakosha zvikuru. Zvinochinja mashandiro ebhodhi. Hunhu hwemagetsi hwechinhu chacho hunokanganisa zviratidzo. Zvinochinjawo kuti zviratidzo zvinofamba nekukurumidza sei. Dielectric constant inoratidza kuti bhodhi rinogona kubata simba rakadii. Kana dielectric constant ikaramba yakafanana, zviratidzo zvinoramba zvakasimba. Zvinhu zvine dielectric loss shoma zvakanaka kune zviratidzo zvinokurumidza. Zvinobatsira kuchengetedza zviratidzo zvakajeka uye zvinodzivisa kusanganiswa. FR-4 inoshandiswa zvakanyanya uye ine dielectric constant iri pakati pe4.4 ne4.8. Inoshanda pazvinhu zvakawanda asi inogona kurasikirwa nezviratidzo nekumhanya kwakanyanya. Ma laminates ane frequency yakakwira anobatsira kumisa matambudziko ezviratidzo. Polyimide inogona kubata kupisa zvakanaka uye ine dielectric properties dzakasiyana.
Zvinhu zvaunosarudza zvinoshandurawo kusimba kwebhodhi. Bhodhi rinofanira kubata kuzununguka nekupwanyika. Mamwe mabhodhi anofanira kukotama zvakanyanya. Polyimide nePEN zvinochinjika uye hazviputsike nyore. Zvinhu zvakasimba zvinomisa kutsemuka nekutsemuka. Matanda akawanda uye mabhodhi akakora zvinoita kuti asimbise.
Zano: Chinhu chakakodzera chinochengetedza zviratidzo zvakajeka uye chinomisa kukuvara kwePCB yako.
Mechanical Property | tsananguro |
|---|---|
Flexibility uye Rigidity | Inoratidza kana PCB inogona kukotama kana kuti inofanira kuramba yakasimba. Izvi zvinokosha kumabhodhi anofamba. |
Tensile Strength | Inotaura kuti zvinotora nguva yakawanda sei kudhonza bhodhi usati watyoka. Izvi zvakakosha pamabasa akaoma. |
Kuwanda kweMarakisi uye Ukobvu | Matanda akawanda uye mabhodhi akakora anowanzova akasimba. |
Mechanical Durability | Inoita shuwa kuti PCB inogona kushanda kwenguva refu. |
Kufunga Kwekupisa uye Kwezvakatipoteredza
Zvinhu zvaunoshandisa zvinoshandura mashandiro anoita bhodhi pakupisa. Kugadzikana kwakanaka kwekupisa zvinoreva kuti bhodhi rinoshanda munzvimbo dzinopisa. Polyimide inonyatsogona pakubata kupisa. Zvinhu zvesimbi-core zvinobvisa kupisa kubva pazvikamu zvakakosha. Izvi zvinoita kuti bhodhi rirambe rakachengeteka uye richishanda.
Zvinhu zvinofanirawo kurwisa mvura nemakemikari. Zvimwe, zvakaita seceramic, zvinodzivirira zvakanaka munzvimbo dzakaoma. Mabhodhi ari kunze kana mumafekitori anoda zvinhu zvakasimba. Kusarudza rakakodzera kunochengetedza mari uye kunoita kuti bhodhi rigare kwenguva refu. Zvinobatsirawo PCB kuita basa rayo nemazvo.
Mhando dzakasiyana dzezvinhu zvePCB uye ma substrates
FR-4 uye Epoxy Yakasimbiswa neGirazi
FR-4 ndiyo inonyanya kushandiswa pakugadzira zvinhu zvepcb. Yakagadzirwa negirazi ne epoxy. Jira regirazi rakarukwa uye rakafukidzwa ne epoxy resin. Izvi zvinoita kuti zvinhu zvisimbe uye zvive zvakanaka pakugadzira zvinhu.
FR-4 yakachipa uye yakanaka pakugadzira zvinhu zvakawanda zvemagetsi.
Inoshanda zvakanaka pazvinhu zvakaita semafoni nemakomputa.
FR-4 inoramba yakasimba kana ichipisa uye inogara kwenguva refu.
Epoxy yakasimbiswa negirazi inogona kushandiswa zvakanyanya, asi FR-4 ndiyo yakanakira zvigadzirwa zvakawanda.
Vagadziri vanoshandisa fr-4 pamhando dzakasiyana dzepcb. Inowanikwa mupcb dzine mativi maviri, dzakawanda, uye dzakasimba. Rutivi rwemhangura mufr-4 runobatsira pakugadzira nekusarudza foil yemhangura.
Cherechedza: FR-4 ndiyo sarudzo huru yemakombiyuta akapfava nekuti inochengetedza mari uye inoshanda zvakanaka.
Zvinhu Zvidiki zvePolyimide uye Zvinochinjika
Polyimide chimwe chinhu chakakosha chepb. Inozivikanwa nekuchinjika uye kubata kupisa. Polyimide inogona kukotama isina kutyoka, saka inoshandiswa mu maPCB anochinjika uye akaomarara.
zvinhu | Ukobvu Range | uchishandisa Temperature | Maitiro Ekushandisa |
|---|---|---|---|
Polyimide | 12.5-125 μm | -55 ° C kusvika + 260 ° C | Aerospace, motokari, zvokurapa |
Mapurasitiki epolyimide anoshanda munzvimbo dzinopisa zvikuru, kusvika ku260°C. Haatsemuke kana akakombama kana kuti akamanikidzwa. Mapurasitiki anochinjika akagadzirwa nepolyimide anoshandiswa mumagetsi, mota, ndege, uye zvishandiso zvekurapa. Zvinhu izvi zvakasimba, zvinodzivirira kupisa, uye zvinoshanda zvakanaka nemagetsi.
Polyimide inokwanisa kurwisa makemikari uye kukotama.
Inoshandiswa mumapcbs anochinjika uye akaomarara.
Polyimide inotorwa kana zvichidikanwa kukotama uye kusimba.
Zvinhu zveCeramic uye Zvinowanzo shandiswa kakawanda
Ceramic chimwe chinhu chakakosha chepcb. Ceramic ine dielectric constant kubva pa3 kusvika ku10. Izvi zvakaderera pane fr-4 neptfe. Yakanakira kushandiswa kwema frequency akawanda uye muma microwave.
Material Type | Dielectric Constant | Dielectric Loss Tangent Range |
|---|---|---|
Ceramic PCBs | 3 kuna 10 | Yakaderera pane FR-4 nePTFE |
FR-4 | 4.3 - 4.8 | 0.001 - 0.005 |
PTFE | 2.1 ± 0.04 | 0.0001 - 0.002 |
Mapurasitiki eCeramic anoita kuti zviratidzo zvifambe nenzira imwe chete kumativi ese. Anobatawo kupisa zvakanaka uye anogona kugadzirwa pakupisa kwakanyanya. Izvi zvinoita kuti ceramic ive yakanaka kune rf, microwave, 5G, uye midziyo midiki.
Zano: Ceramic yakanakira macircuit ane mafrequency akawanda kwaunoda kuti masignal arasikirwe zvishoma.
PTFE (Teflon) uye Dielectric Materials
PTFE, kana kuti Teflon, chinhu chakakosha chepcb. Chinoshandiswa pakugadzira magadzirirwo ehigh-frequency. PTFE ine dielectric constant yakaderera zvikuru, inenge 2.1, uye ine tangent shoma yekurasikirwa. Izvi zvinoreva kuti masaini anofamba pasina kurasikirwa kwakanyanya.
pfuma | PTFE (Teflon PCB) | FR-4 PCB |
|---|---|---|
Dr yakajairika (1 MHz-10 GHz) | 2.1 ± 0.04 | 4.3 - 4.8 |
Kugadzikana kweDk vs Frequency | Pari pedyo nepatio | Kuwedzera zvishoma |
mutengo | dhura | Affordable |
Applications | RF, microwave, ndege | Zvevatengi zvemagetsi |
Ma PTFE pcb anogara akagadzikana kubva -200°C kusvika +260°C. Haakuvadzwi nemakemikari kana mvura. PTFE inodhura zvakanyanya uye yakaoma kugadzira kupfuura fr-4. Inoshandiswa mu aerospace, RF, uye microwave pcbs.
PTFE haina kurasikirwa kukuru kwechiratidzo, inodzora kupisa, uye inorwisa makemikari.
Haina kusimba sefr-4 uye ingangoda rutsigiro rwakawedzerwa mu rigid-pcbs.
Kupisa kwesimbi nekupisa
Zvinhu zvesimbi-core pcb zvinobatsira kudzora kupisa. Izvi zvinoshandisa hwaro hwesimbi, senge aruminiyamu kana mhangura, kubvisa kupisa kubva pazvikamu zvinopisa. Izvi zvakakosha kune zvishandiso zvine simba.
MaIMS pcb anofambisa kupisa zviri nani kupfuura fr-4. Chinoumba simbi chinoshanda sechinodziisa kupisa uye chinoita kuti pcb igare ichitonhorera. Izvi zviri nani pane fr-4, iyo inowanzoda mamwe ma heat sinks.
kunyoresa | Benefits |
|---|---|
LED Lighting | Inoderedza kupisa ne20-30°C, zvichiita kuti mwenje igare kwenguva refu. |
Zvemagetsi Electronics | Inodzora kupisa nekuzununguka, zvichibatsira mota kushandisa mafuta mashoma. |
Power electronics | Inoita kuti zvinhu zvirambe zvichishanda pasi pesimba remagetsi nekupisa kwakanyanya. |
Maindasitiri Midziyo | Inodzora kupisa zvakanaka, saka michina haipise zvakanyanya. |
Consumer Electronics | Zvinoita kuti zvishandiso zvidiki, zvine simba zvigare kwenguva refu uye zvigare kwenguva refu. |
Mapurasitiki esimbi anoshandiswa mumwenje ye LED, mota, maturusi emagetsi, uye michina. Anoshandisa zvidimbu zvemhangura kufambisa kupisa nekukurumidza. Izvi zvinoita kuti ave sarudzo yakanaka yemabasa anoda kudzora kupisa kwakasimba.
Zvinhu Zvinoshandiswa paCellulose uye Zvakasanganiswa
Mapurasitiki akagadzirwa ne cellulose uye akagadzirwa ne composite akanakira nharaunda. Akagadzirwa neshinda dzechisikigo uye resin dzinoora. Aya ndiwo masarudzo egirini pane fr-4.
Material Type | Mechanical Properties | Environmental Sustainability |
|---|---|---|
Substrate yePCB yeCellulose | Simba rekuchinjika rinosvika 100 MPa | Kudzivirira kwemagetsi kunoora, kwakanaka (10-15 kV/mm) |
Masanganiswa ePLA/Flax | Kushanda kwechimiro kwakavimbika kusvika 200 °C | Inochengetedza nharaunda, haidi moto |
Masero epurasitiki anogona kupwanyika mumvura, saka anogona kudzokororwa. Anoshandiswa mumasero ari nyore uye mamwe magadzirirwo emadziro akawanda. Anodhura kupfuura fr-4 uye haashande zvakanaka nemasero akawanda nekuda kwemvura. Zvinhu izvi zvakanakira mapurojekiti egirini.
Cherechedza: Zvinhu zvakasanganiswa zvakaita sePLA/flax zvakasimba uye hazvitsvi, asi zvinodhura kupfuura fr-4.
Chinhu chega chega chepcb chine simba racho. Kusarudza chakakodzera zvinoenderana nemutengo, kupisa, kukotama, uye nharaunda. Kuziva mhando idzi kunobatsira vanhu kusarudza pcb yakanakira zvavanoda.
Vagadziri veMajor PCB Board Material
Boka reIsola
Isola Group inogadzira zvinhu zvemabhodhi ePCBVanotengesa mapurasitiki epurasitiki (laminates) nemapurasitiki ekugadzira maPCB. Zvigadzirwa zveIsola zvinoshanda mumotokari, mafoni, uye mafekitori. Zvinhu zvavo zvinobata kupisa zvakanaka uye zvinoshanda nemagetsi.
Rogers Corporation
Rogers Corporation inozivikanwa nemazano matsva muzvinhu zvepcb. Vakagadzira RO4730G3 laminates nehunyanzvi hwe hollow-sphere. Aya ma laminates akareruka uye anomisa moto. Anoshandisa foil yemhangura yakakosha uye ane dielectric constant ye3.0. RO4730G3 yakareruka kupfuura PTFE uye inoshandiswa muma antenna e4G ne5G. Rogers vakagadzirawo RO4830 Plus yema millimeter wave pcbs. Aya anoshandiswa muma car radar sensors. RO4830 Plus inochengetedza masaini akasimba uye hairasikirwe nemasaini akawanda. Inoshanda ne epoxy/girazi uye haina PFAS.
Panasonic Electronic Materials
Panasonic izita guru muzvinhu zvepcb. Vanogadzira mhando dzakasiyana dzema laminates ekukurumidza uye masaini epamusoro-soro. Zvinhu zvePanasonic zvinoshandiswa mumafoni, mota, uye michina. Zvigadzirwa zvavo zvakachengeteka uye zvinogara kwenguva refu.
Shengyi Technology
Shengyi Technology ndiyo kambani inonyanya kupa michina yePCB. Vane zvigadzirwa zvakawanda zvinoenderana nezvinodiwa zvakasiyana.
Zvigadzirwa Mitsetse | Applications |
|---|---|
CCL | Inoshandiswa mumapcbs ega uye maviri |
prepreg | Inoshandiswa mumabhodhi ane ma multilayer |
Insulation boards | Inoshandiswa mune zvakawanda zvemagetsi |
CCL yakavakirwa pasimbi | Inoshandiswa mumagetsi epamusoro-soro |
Resin-yakavezwa mhangura | Inoshandiswa mumagetsi emumba nemota |
Coverlay zvinhu | Inoshandiswa mumagetsi anotakurika |
Zvinhu zvaShengyi zvine zvitupa zvepasi rose uye zvinoshanda mumidziyo yakawanda.
Kambani yeITEQ
ITEQ Corporation inogadzira zvinhu zvePCB zvepasi rose. Vanonyanya kutarisa ma laminates ane ma frequency akawanda uye asina halogen. Zvigadzirwa zveITEQ zvinoshandiswa mumafoni, mota, uye michina. Zvinhu zvavo zvinobatsira masaini kuti asave akajeka uye kudzora kupisa.
Mapurasitiki eNan Ya
Nan Ya Plastics inotungamira muzvinhu zvePCB. Vanogadzira ma laminates ne prepregs akaputirwa nemhangura ePCB. Zvinhu zveNan Ya zvinowanikwa mumakombiyuta, mafoni, nezvimwe zvemagetsi. Zvigadzirwa zvavo zvakasimba uye zvinochengetedza magetsi akachengeteka.
Bhodhi reMambo
Kingboard ikambani hombe inogadzira zvinhu zvePCB muAsia. Vanogadzira ma laminates, prepregs, uye insulation boards. Zvinhu zveKingboard zvinoshandiswa mumagetsi akawanda. Zvigadzirwa zvavo zvinochengetedza mari uye zvinogara kwenguva refu.
Doosan
Doosan inokosha mumusika wezvinhu zvePCB. Vanoita kuti laminate yemagetsi epamba nemachipisi. Doosan inogadzirawo mabhodhi enetwork emafoni nemakomputa. Malaminate avo ane mhangura haakuvadzi nharaunda uye haana halogen. Malaminate eDoosan anoshanda mumagetsi epamusoro ane zvikamu zvakawanda.
Goldenmax
Goldenmax ikambani iri kukura mukugadzira zvinhu zvePCB. Vanogadzira mapurasitiki epurasitiki nemidziyo yepurasitiki yakagadzirwa nemhangura. Zvinhu zveGoldenmax zvinoshandiswa mumakomputa, mumotokari, nemumichina. Zvigadzirwa zvavo zvinoshanda zvakanaka uye zvinobatsira kuchengetedza mari.
PCB Material Selection Guide
Kuongorora Zvinodiwa Zvekushandisa
Kutora zvinhu zvepcb zvekurudyi zvinoreva kuziva zvinodiwa neprojekiti yako. Purojekiti yega yega yakasiyana uye ine zvinodiwa zvayo. Heano mamwe matanho ekukubatsira kuona zvinodiwa:
Ona kana pcb ichashandisa magetsi akawanda. Zvimwe zvinhu zvinomisa matambudziko akadai sekupwanyika kwesimbi nekuputsika.
For magadzirirwo eredhiyo (RF), sarudza chinhu chinoita kuti kurasikirwa kwechiratidzo kurambe kushoma.
Kana pcb yako ichikurumidza, tsvaga zvinhu zvine simba shoma rekuparadza.
Funga nezvekuti pcb ichawana kupisa kwakawanda sei. Zvinhu zvine kugadzikana kwakanaka kwekupisa zvinoshanda zviri nani munzvimbo dzinopisa.
Tarisa simba remakanika. Mamwe mapurojekiti anoda zvinhu zvinogona kukotama kana kugadzikana.
Tarisa matanho ekuita, sekuboora kana kunamira, kuti uve nechokwadi chekuti chinhu chacho chinogona kuabata.
Zano: Gara uchisarudza chinhu chinoenderana nezvinodiwa nemagetsi, kupisa, uye simba repcb yako.
Kuenzanisa Zvinhu Zvine Basa
Kana wangoziva zvinodiwa nePCB yako, tarisa hunhu hwezvinhu zvakasiyana-siyana. Shandisa mapepa edata kuti uwane chokwadi chakakosha. Tarisa pane hunhu hukuru uhu:
Dielectric constant uye tangent yekurasikirwa kwezviratidzo zvakanaka.
Kufambisa kwekupisa kwekubvisa kupisa.
Kuwedzerwa kwemafuta muchiyero chekuwedzera kwehukuru hwechinhu nekupisa.
Tembiricha yekuchinja kwegirazi kuti zvinhu zvinotora kupisa kwakadini.
pfuma | tsananguro |
|---|---|
Dielectric nguva dzose (Dk) | Inodzora kuti masaini anomhanya nekukurumidza sei uye kuti anodzivisa sei. |
Dissipation factor (Df) | Inoratidza kuti chiratidzo chakawanda sei charasika. |
Kupisa kwemafuta | Inotaura kuti kupisa kunofamba zvakanaka sei nechinhu chacho. |
Girazi shanduko yekushisa | Inoratidza kuti chinhu chacho chinogona kupisa zvakadii. |
CTE | Inoyera kuti zvinhu zvinokura zvakadii nekupisa. |
Kuongorora Zvinopihwa Nevagadziri
Havasi vese vanogadzira zvinhu zvePCB vakafanana. Shandisa zvinhu izvi kusarudza yakanakira purojekiti yako:
Zvikonzero | tsananguro |
|---|---|
Quality Standards uye Certification | Tsvaga ISO 9001 kana kuti IPC standards. Izvi zvinoratidza kuti mugadziri ane hanya nemhando. |
Customer Support | Rutsigiro rwakanaka runobatsira kugadzirisa matambudziko nekukurumidza. |
nzvimbo | Vagadziri vezvinhu zvemuno vanogona kutumira zvinhu nekukurumidza. Zvekune dzimwe nyika zvingadhura zvishoma. |
Mutengo Wekugadzirisa | Tarisa mitengo yese, kwete mutengo wepcb yega yega chete. |
Mukurumbira | Verenga wongororo kuti uone kana mugadziri wacho akavimbika. |
Cherechedza: Mugadziri akanaka achakubatsira kusarudza chinhu chakakodzera uye anokutsigira panguva yekushanda kwePCB.
Kusarudza zvinhu zvakanakisisa zvepcb nekambani kwakakosha zvikuru. Zvinobatsira kuita kuti zvemagetsi zvive zvakasimba uye zvakachengeteka. Makambani makuru akaita seIsola, Rogers, naPanasonic anotengesa zvinhu zvakaita seFR-4, polyimide, uye ceramic. Unofanira kufunga nezvezvinhu zvakaita segirazi transition temperature, dissipation factor, uye kuti zvinhu zvacho zvakasimba sei. Nguva dzose tarisa madatasheets kuti uwane rumwe ruzivo. Tafura iri pazasi inotsanangura kuti nei zvinhu izvi zvichikosha:
Material Property | Kukosha muPCB Dhizaini |
|---|---|
Dielectric Constant (Dk) | Inodzora kumhanya kwechiratidzo uye nguva |
Kurasika Tangent (Df) | Inoderedza kurasikirwa kwechiratidzo |
Hunhu hwekupisa/hwemakanika | Inochengetedza mabhodhi akachengeteka kana paine kushushikana |
Kuenderana kwezvinhu | Inovimbisa kugadzirwa kwakanaka |
Kuti uwane mhedzisiro yakanaka, bvunza nyanzvi kuti dzikubatsire uye verenga gwara rehunyanzvi usati wasarudza.
FAQ
Chii chinonyanya kushandiswa pakugadzira PCB?
FR-4 ndiyo inonyanya kushandiswa pakugadzira PCB. Inoshandisa fiber yegirazi uye epoxy resin. FR-4 inoshanda zvakanaka pamagetsi akawanda nekuti yakasimba uye inodhura zvishoma.
Sei mamwe maPCB achishandisa simbi?
Makori esimbi anobatsira kubvisa kupisa kubva pazvikamu zvakakosha. Izvi zvinoita kuti PCB itonhore uye ive yakachengeteka. Makori esimbi anoshanda zvakanyanya mumwenje ye LED nemidziyo yemagetsi.
Ndingasarudza sei zvinhu zvePCB zvakakodzera?
Tarisa zvinodiwa neprojekiti yako.
Tarisa kupisa, simba, uye kumhanya kwechiratidzo.
Verenga mapepa edata kubva kuvagadziri.
Bvunza nyanzvi kana usina chokwadi.
Zvinhu zvePCB zvine hushamwari nezvakatipoteredza zviripo here?
Ehe, mamwe maPCB anoshandisa cellulose kana zvinhu zvinobva mumiti. Izvi zvinopwanyika zviri nyore uye zvinobatsira kuchengetedza nharaunda. Zvinoshanda zvakanyanya pamagetsi ari nyore.
