Chaza Rogers 5880 laminated PCB impahla

I-laminate ye-Rogers 5880 yenziwe ngezinto ezisezingeni eliphezulu nezithembekile kanye nezinqubo njenge-Rogers, okwenza uRogers awine imiklomelo ebalulekile evela kubakhiqizi bezinto ezisezingeni eliphezulu. Kweminye imiklamo, izakhiwo ze-dielectric ze-PCB zibaluleke kakhulu. Kungakhathaliseki ukuthi isivinini esikhulu, i-RF, i-microwave noma iselula, ukuphathwa kwamandla kuyisihluthulelo. Uzothola ukuthi izici ze-dielectric zebhodi lesifunda ku-prototype zidingeka kakhulu kunalezo ezinganikezwanga yi-FR-4 ejwayelekile. Siyazi. Yingakho sinweba i-pcbexpress nge-rogers5880 dielectric materials. Lezi zinto ezintsha zokulahlekelwa okuphansi kwe-dielectric zisho ukusebenza okuphezulu kwe-PCB prototypes efunwayo.

Kungani usebenzise impahla ye-dielectric kaRogers?
I-FR-4 impahla iyindinganiso eyisisekelo ye I-PCB substrate, engafinyelela ibhalansi ephumelelayo phakathi kwezindleko, umthamo wokukhiqiza, ukusebenza kukagesi nokuqina. Kepha uma izici zikagesi nokusebenza okuthuthukile kuyisisekelo somklamo wakho, iRogersmaterials iyisinqumo sakho esihle ngoba:
Yehlisa ukulahleka kwe-dielectric
Isignali yokusetshenziswa kwamandla okulahlekelwa okuphansi
Ibanga elikhulu le-DK (i-dielectric constant) (2.55-10.2)
Ukukhiqizwa kwesekethe okunezindleko eziphansi
Izinhlelo zokusebenza zesikhala sokukhipha umoya ophansi

Impahla ye-Dielectric
Impahla ye-Dielectric iyinto ene-conductivity embi, esetshenziswa njengesendlalelo sokuvikela esakhiweni se-PCB. Enye i-dielectric yi-mica, kanti enye i-dielectric i-mica, i-metal oxide, nepulasitiki. Ukuncipha kokulahlekelwa kwe-dielectric (amandla alahleka ngesimo sokushisa), i-dielectric material iphumelela kakhulu. Uma i-voltage entweni ye-dielectric iba phezulu kakhulu, okungukuthi, lapho inkambu ye-electrostatic iba namandla kakhulu, impahla iqala ukusebenza ngokuzumayo. Lesi simo sibizwa ngokuthi i-dielectric breakdown.
Izakhiwo ze-rtduroid5880
Amathuba okulahlekelwa aphansi kakhulu kwanoma iyiphi impahla ye-PTFE eqiniswe ngogesi
Ukumuncwa komswakama okuphansi
I-Isotropy
Ukusebenza kukagesi ngefrikhwensi efanayo
Ukumelana okuhle kwamakhemikhali, kufaka phakathi ama-solvents nama-reagents wokuphrinta nokumboza
Indawo enobungane
Ukukhulelwa kwangaphambi kokukhulelwa (preg)
Ukuncipha “kwefiber eyinhlanganisela yangaphambi kokukhulelwa” kanye nokukhiqizwa kwe-PCB, i-PregS, kuzothinta izici zokusebenza zebhodi lesifunda eliphrintiwe. Itemu elisetshenziswa embonini yokukhiqiza ye-PCB ukuchaza okokusebenza kongqimba olunamathelayo olusetshenziswa ukuxhuma izendlalelo, i-PCB ye-multilayer.
I-Rtduroid5880 high frequency laminate evela kuRogers
I-Rogers5880 high frequency laminate series isebenzisa i-PTFE composite reinforced glass fiber. Lawa ma-microfiber athambekele kwizibalo ukuze kwandiswe izinzuzo zokuzuza ifayibha futhi anikeze isiqondiso esibaluleke kakhulu kubakhiqizi besekethe kanye nezinhlelo zokusebenza zokusetshenziswa ekugcineni. I-dielectric constant yala ma-laminates ane-high-frequency iphansi kakhulu kuyo yonke imikhiqizo, futhi ukulahlekelwa kwe-dielectric ephansi kuyenza ifanelekele izinhlelo zokusebenza ze-high-frequency / broadband lapho ukuhlakazeka nokulahlekelwa kufanele kuncishiswe. Ngenxa yokumuncwa kwayo okuphansi kakhulu kwamanzi, i-rtduroid5880 ifaneleka kakhulu ukusetshenziswa endaweni enomswakama ophezulu.

Lezi zinto ezithuthukisiwe zesekethe zingasikwa kalula, zisikwe futhi zicutshungulwe ukuze zenze noma iyiphi i-solvent kanye ne-reagent evame ukusetshenziswa kumabhodi wesifunda noma unqenqema kanye ne-electroplating yembobo. Banokulahlekelwa ugesi okuphansi kakhulu kunoma iyiphi into eqinisiwe ye-PTFE, futhi banokumunca umswakama ophansi kakhulu futhi bayi-isotropic. Banezici zikagesi ezifanayo ngobuningi. I-High frequency rtduroid5880 isetshenziswa ezindizeni zezentengiselwano, i-microstrip ne-stripline circuits, izinhlelo zokusebenza zesistimu ye-millimeter wave esetshenziswa kuma-radar ezempi, ama-antenna esistimu ye-missile, imibukiso yamaphoyinti omsakazo wedijithali nokunye. I-rtduroid5880 egcwele inhlanganisela ye-PTFE yakhelwe ukusetshenziswa okuqinile kwamasekhethi ahlanganisiwe nama-microcircuits.

Izinto ze-Rogerpcb zinenani eliphansi le-DK le-laminate yethusi elitholakala emakethe. Ngenxa yokungaguquguquki kwayo okuphansi kwe-dielectric okungu-1.96 ku-10GHz, i-rtduroid5880 isekela ukusetshenziswa kwe-broadband yamafrikhwensi e-microwave ebangeni lamamilimitha, lapho ukuhlakazwa nokulahlekelwa kwesekethe kufanele kuncishiswe. Kuyinhlanganisela ye-PTFE egcwalisiwe eyodwa, engasindi enobukhulu obuphansi kakhulu (1.37G/cm3) kanye ne-coefficient ephansi yokwanda kwe-thermal (CTE) ku-axis engu-z. Ingahlinzeka ngezimbobo zokukhiqiza ama-high-frequency (PTH) futhi izuze ukukhokhelwa okuphezulu. Ngaphezu kwalokho, i-dielectric constant esuka kupuleti iye kwelinye ifana futhi ayiguquki ebangeni elibanzi lefrikhwensi, kanti i-z-axis tcdk iphansi njengo + 22ppm / ° C.