Rogers PCB ndi chiyani?
Kuchokera ku dzina lake, tingathe kudziwa mosavuta zomwe likunena. Monga tanena kale, ma Rogers PCB ndi ma PCB opangidwa kuchokera ku zida za Rogers. Mitundu yomwe imagwiritsidwa ntchito kwambiri ndi: Rogers 4350B, Rogers 4003C ndi Rogers 3003.
Ndi ma board amtundu wanji a Rogers omwe ali oyenera kugwiritsa ntchito ma frequency apamwamba?
Rogers Company ndiye akutsogolera padziko lonse lapansi zida za PCB zogwira ntchito kwambiri zomwe zimagwiritsidwa ntchito mu ma microwave ndi ma board osindikizidwa a RF. Chifukwa chake, pafupifupi mitundu yonse yama board osindikizira a Roger ndi oyenera kugwiritsa ntchito pafupipafupi.
Pankhani yogwiritsa ntchito ma PCB m'malo onyowa kwambiri, mungapangire chiyani?
Low chinyezi mayamwidwe PCB zipangizo nthawi zonse analimbikitsa pankhani ntchito PCBs m'madera mkulu chinyezi, monga Rogers PCB. Zipangizo za Rogers zimatha kutsutsa malo oterowo ndikukhala ndi mwayi wosagwirizana ndi mankhwala, chinyezi, komanso kutentha kwambiri komanso kukhala ndi mphamvu yayikulu ya peel, kulola ma board oyendera pafupipafupi kuti azichita mwamphamvu.
Kodi ma boardboard a Rogers FR4 ndi chiyani?
Ma board a Rogers FR4 ndi ma board osindikizidwa omwe amapangidwa ndi zinthu zonse za Rogers ndi FR4. Nthawi zambiri, atha kukhala ma PCB odula omwe ali ndi zinthu za Rogers m'magawo. RO4350B, RO4003C ndi Rogers3003 amagwiritsidwa ntchito nthawi zambiri pamabwalo amtunduwu.
Kodi Rogers amasindikizidwa ma board board kuposa FR4 board board?
Ndizovuta kunena kuti ndi iti yabwino. Zimatengera mapulogalamu. Pazida za microwave ndi RF, ma board osindikizira a Rogers ndiabwinoko. Koma zinthu za FR4 zilinso ndi zabwino zake monga kudalirika komanso kutsika mtengo.
Ndi zinthu zotani zomwe mumapeza popanga matabwa osindikizidwa?
Mitundu yosiyanasiyana ya zipangizo ntchito malinga ndi zofunika zosiyanasiyana za kupanga PCBs. Mwachitsanzo, zida za FR-4 ndizomwe zimagwiritsidwa ntchito kwambiri pama PCB wamba pomwe zida za Rogers monga Rogers 4350 ndi Rogers 4003 zimafunikira pama PCB othamanga kwambiri.
Kodi mumapereka nthawi yosinthira mwachangu pama board osindikizidwa opangidwa kuchokera ku zinthu za Rogers?
Inde, titha kupereka mwachangu Rogers PCB. Tidzayesa momwe tingathere kuti tikwaniritse zomwe mukufuna ndikupereka zinthu za Rogers PCB momwe mungafunire. Nthawi zonse timakhala ndi kuchuluka kwa Rogers RO4350B ndi Rogers RO4003C m'gulu.
Kodi ma Roger PCB ndi oyenera kugwiritsa ntchito malo?
Inde, ma Rogers PCB ndi oyenera kugwiritsa ntchito ma microwave ndi ma RF, ndipo zinthu za Rogers ndi imodzi mwazabwino kwambiri mderali.
Ndi mitundu iti ya zojambulazo zikafika pazovala zachitsulo za Rogers PCB?
Electrodeposited
Kugudubuzika
Resistive zojambulazo
Electrodeposited reverse pickled / mankhwala zitsulo zokutira
Kodi mumayang'anira matabwa a Rogers osindikizidwa?
Inde, titha kupereka ma PCB a Rogers malinga ndi zomwe mukufuna. Mitundu yomwe imagwiritsidwa ntchito kwambiri ndi RO4350B, RO4003C ndi RO3003. Chonde khalani omasuka kugwira nafe ntchito. Tikupatsirani zinthu zapamwamba pamitengo yabwino. Tikuyembekezera kukutumikirani!
Kodi pali kusiyana kotani pakati pa zida za Rogers RO4000 ndi RO3000?
Mndandanda wa RO4000 umapereka magwiridwe antchito apamwamba koma pamtengo wapamwamba kuposa mndandanda wa RO3000. Kusiyana kwakukulu:
RO4000 ili ndi ma dielectric ocheperako kuti ayankhe pafupipafupi.
RO4000 ili ndi kutayika kochepa kwa kukhulupirika koyenera kwa siginecha.
RO4000 imakhala ndi kuwongolera bwino komanso kusasinthika.
Mndandanda wa RO3000 ndiwokwera mtengo kwambiri pazogwiritsa ntchito zamalonda.
RO4000 imapereka njira zapamwamba zopangira matenthedwe.
RO4000 imakhala ndi CTE yaying'ono ya z-axis kuti ikhale yodalirika kwambiri.
Kodi mumapewa bwanji kusokoneza pafupipafupi mu PCB?
Zigawo zafupipafupi ziyenera kuyikidwa m'njira yoti zikhale ndi zizindikiro zazifupi momwe zingathere. Ma decoupling (kapena bypass) capacitors ayenera kuyikidwa pafupi ndi pini iliyonse yamagetsi azinthu zomwe zimagwira ntchito, motero kuchepetsa ma spikes apano panthawi yosinthira ma siginecha, ndikupewa kubwereranso pansi.
Kodi High Frequency PCB ndi chiyani?
High frequency PCB ndi mtundu wa PCB wopangidwa makamaka kuti uzigwira ntchito ndi ma siginoloji apamwamba kwambiri kuyambira pa 1 GHz kupita kupitilira apo. Zimapangidwa ndi zida zapamwamba kwambiri, ndipo zimagwiritsidwa ntchito pazida zambiri zomwe zimafuna kutumizirana mwachangu, kodalirika, kothandiza komanso kocheperako komwe kumalumikizidwa nthawi zonse. Kawirikawiri, ma PCB othamanga kwambiri amaimira mfundo ya chitukuko cha zamakono zamakono zamakono monga 5G, mauthenga opanda zingwe (WIFI), makina a radar, mawailesi a microwave, makina a satana, ndi zipangizo zina zamakono zamakono m'magulu azachipatala ndi ankhondo.
Kodi ma frequency PCB ndi chiyani komanso ubwino wake ndi ntchito zake?
Ma HF PCB amatanthauzidwa ndi kutsika kwa dielectric constant (Dk), low dissipation factor (Df), ndi milingo yotsika yakukula kwamafuta. Amagwiritsidwa ntchito pafupipafupi paukadaulo wa HDI. Amagwiritsidwanso ntchito kwambiri pamayendedwe othamanga kwambiri, matelefoni, ndiukadaulo wa RF microwave.
Momwe mungaletsere chizindikiro chothamanga kwambiri kuti chisabweretse mavuto mu PCB yanu?
Njira monga ndege zogawanika, kusokera ma vias, ndi kuyika nyenyezi zingagwiritsidwe ntchito kuti muchepetse malupu apansi ndikuwonetsetsa njira zobwerera zolondola. Popanga ndege zapansi zolimba, zotsika, okonza amatha kuchepetsa phokoso komanso kupititsa patsogolo kayendedwe ka maulendo apamwamba kwambiri.
Kodi mumasunga bwanji kukhulupirika kwa chizindikiro pa PCB?
Lamulo losavuta ndikulondolera zigawo zotsatizana pamakona abwino kwa wina ndi mzake. Kugwiritsira ntchito ndege zapansi kuti mulekanitse zigawo zowonongeka ndi njira yabwino yosungira kukhulupirika kwa zizindikiro. Phokoso la magetsi ndilofunika kwambiri ndipo limafuna kupangidwa mosamala.
Kodi Rogers PCB amagwiritsa ntchito chiyani?
Jarious microwave eouioment celllar base staton antennas ndi ma ampifers amphamvu, inki za microwave pointo-point P2P, ma radar a automotwe ndi ma sensor radio freguenc: identification (RFlD) tag, LNBs zama satellite amoyo.
Kodi ndimasankha bwanji zinthu za RF PCB?
Tikayesa kusankha zinthu za RF PCB, chofunikira kwambiri ndikuwonetsetsa kuti dielectric constant (DK) ndi dissipation factor (DF) ya zinthuzo zitha kukwaniritsa ma frequency a electromagnetic pazida zanu. Komanso, tiyenera kusankha zinthu zambiri ntchito, monga Rogers RO4350B, RO4003C, Panasonic MEGRON 6, MEGTRON 7 etc.
Kodi ndimayamba bwanji ndi kapangidwe ka RF PCB?
Choyamba tiyenera kudziwa ntchito ndi kugwiritsa ntchito mapulogalamu anu. Chachiwiri, tiyenera kupanga chithunzi. Chachitatu timapanga mafayilo a Gerber opangira PCB ndi mndandanda wa BOM wa msonkhano wa PCB. Pomaliza, kusanthula mozama kwa zinthu za RF PCB ndikofunikira, ndipo zithandizira kuti zida zathu zikhale zamtengo wapatali komanso zopikisana.
Kodi ma frequency a PCB ndi otani?
Ma frequency osiyanasiyana a PCB amatha kukhala kuchokera ku 0HZ mpaka kupitilira 300GHZ. Nthawi zambiri timachitcha kuti PCB yothamanga kwambiri ngati ma frequency a PCB ndi akulu kuposa 30MHZ, ndipo ma frequency osiyanasiyana kuposa 3GHZ ndiokwera kwambiri.
Kodi zinthuzo ndizofunikira kwambiri pa RF PCB?
Inde ndi choncho. Zinthu za RF zomwe tasankha zidzakhudza kwambiri ntchito ya RF PCB yathu pamapulogalamu athu. Komanso, kusiyana kwamitengo ndikokulirapo pamitundu yosiyanasiyana yazinthu za RF. Chifukwa chake, tiyenera kugwiritsa ntchito zinthu zotsika mtengo kwambiri kuti tikwaniritse zomwe tikufuna pama frequency a electromagnetic.
Kodi pali kusiyana kotani pakati pa RF PCB ndi PCB wamba?
RF PCB iyenera kupangidwa ndi zinthu zothamanga kwambiri kuti ikwaniritse zofunikira zotumizira ma siginecha. Koma PCB yokhazikika imapangidwa ndi zinthu zonse za FR4 kuti zingokwaniritsa ntchito zamagetsi pambuyo pa msonkhano wa PCB.
Kodi pali kusiyana kotani pakati pa RF ndi microwave?
RF ndi yachidule ya ma radio frequency. Ma RF ndi ma microwave ndiafupi kwambiri ma frequency a electromagnetic komanso ma frequency apamwamba. Kusiyana kwakukulu pakati pa RF ndi microwave ndikosiyana kwa ma frequency. RF imachokera ku 30MHZ mpaka 300GHZ, ndipo ma microwave amachokera ku 1GHZ mpaka 100GHZ.
Kodi stackup yabwino ya RF PCB ndi iti?
RF PCB stackup yabwino nthawi zonse imakhala ndi microwave imodzi ndi RF dielectric, monga Rogers RO4350, RO4003, RO3003, ndi zina zotero. wosanjikiza 3 ndi FR4, ndipo wosanjikiza 3 ndi 4 ndi RO4350.
Ndi kuyesa kwamtundu wanji komwe kumafunikira pa ma PCB apamwamba kwambiri?
Njira zoyesera zomwe zimafunikira ma PCB othamanga kwambiri ndi awa.
1. Mayeso amagetsi a Open and Short
2. Makina Oyang'anira Oyang'anira
3. Kuyesa kwa TDR impedance
4. Kuyesa kwantchito
5. Kuyesa kwa solderability
6. Kuyeza kwa kutentha
7. Tepi Mayeso kwa Solder Maks
8. Peel Test for conductors