Izakhiwo ze-Isola I Tera MT40 Prepreg kanye nezicelo ze-PCB

I-Isola I Tera MT40 prepreg iyinto ye-PCB ephansi elahlekelwa yi-frequency ephezulu esetshenziswa ku-5G RF kanye nemiklamo yedijithali yesivinini esiphezulu ngaphezu kwe-5 GHz. Inikeza ukulahlekelwa kwe-dielectric okuphansi kanye nokusebenza okuzinzile kwe-Dk kune-FR4 ejwayelekile ngenkathi ihlala ihambisana nezinqubo zokwenziwa kwe-PCB ezinezingqimba eziningi. I-Highleap Electronics yakha ama-PCB e-I Tera MT40 anomklamo we-stackup oqinisekisiwe kanye nokulawula inqubo ukuqinisekisa ukusebenza kwe-frequency ephezulu okuqhubekayo.

1. Kuyini i-Isola I-Tera MT40 Prepreg?

I-Isola I-Tera MT40 iyisistimu ye-thermoset laminate ephansi, esheshayo kanye ne-prepreg eyenzelwe izinhlelo zokusebenza ze-PCB ezingaphezu kwe-5 GHz. Ngokungafani nezinto ezisekelwe ku-PTFE (i-laminate ekhethekile ephansi yokulahlekelwa i-laminate ephansi yokulahlekelwa i-PTFE, i-Taconic TLY), i-I-Tera MT40 iyi-thermoset eqiniswe nge-glass-fiber ecubungula imishini ejwayelekile ye-FR4 enezinguquko eziqondiwe - okwenza kube lula ukuyikha, ihambisane kakhulu nama-stackups e-hybrid amaningi, futhi engabizi kakhulu kunezixazululo ze-PTFE ezihlanzekile, ngenkathi isaletha ukuzinza kwe-Dk kanye nokusebenza okuphansi kwe-Df okudingwa yimiklamo ye-RF-grade.

Kwa-Highleap Electronics, i-I-Tera MT40 iyinto efanelekile yokukhiqiza ecutshungulwa ngaphansi kwamaphrofayili okucindezela i-lamination aqinisekisiwe aphawulwe ngokukhethekile ngekhemikhali yayo ye-resin. Ukuze uthole umbono ogcwele wezinsizakalo zethu zokwenziwa kwe-PCB ezivame kakhulu , kufaka phakathi i-I-Tera kanye namapulatifomu e-laminate akhethekile ane-low-loss, i-Taconic, ne-Megtron, bheka ikhasi lethu lamakhono.

2. Izakhiwo Eziyinhloko Zikagesi Nokuziphatha Okuvamile

I-Dk kanye ne-Df akuzona izinqamuleli ezimile — ziyashintsha ngokuvama, izinga lokushisa, kanye nokuqukethwe komswakama. I-I-Tera MT40 yenzelwe ukuzulazula okuncane kwesakhiwo kulo lonke ububanzi bokusebenza:

3. Kunini Lapho Umklamo Wakho Udinga I-I-Tera MT40 Ngempela?

3.1 Umkhawulo Wemvamisa: Lapho i-FR4 Ima Ukusebenza

I-FR4 ejwayelekile ine-dissipation factor engu-0.018–0.025 ku-1 GHz — 6–8× ephakeme kune-I-Tera MT40. Umkhawulo osebenzayo lapho ama-laminate e-glass-fiber ajwayelekile eba yisibopho semikhondo ye-impedance elawulwayo cishe yi-3 GHz. Ngaphezu kwe-5 GHz, ukulahlekelwa kokufakwa kwe-FR4 ezingqimbeni zesignali ye-RF akwamukeleki kunoma yimuphi umklamo we-antenna, isihlungi, noma umugqa wokudlulisela. Ukuqonda le mingcele yezinto ezivame kakhulu kuyisiqalo sayo yonke idizayini ye-RF.

I-I-Tera MT40 ichazwa kahle uma umklamo wakho uhlangabezana nanoma yiziphi izindinganiso ezilandelayo:

• Izimpawu zesignali ye-RF ezingaphezu kwe-5 GHz — i-microstrip, i-stripline, noma i-CPW ephethe okuqukethwe kwe-RF ku-5 GHz nangaphezulu
• Izixhumi ze-SerDes ezingaphezu kuka-25 Gbps — I-DDR5, i-PCIe Gen 5, i-100G/400G Ethernet lapho isabelomali sokulahlekelwa yisamba sokufakwa kwesiteshi sincane khona
• Ukubekezelelana kwe-impedance yokukhiqiza ± 5% noma okuqinile — lapho ukufana kwe-Dk kunquma khona isivuno, hhayi ukusebenza okulinganiselwe kuphela
• Isiteshi sesisekelo se-5G kanye nehadiwe yokubuyela emuva — lapho imininingwane yokulahlekelwa kokufakwa iyinkontileka futhi ukuhambisana kokukhiqiza kuqinisekiswa yi-OEM
• Enye indlela yokuncintisana ngezindleko esikhundleni se-PTFE — imiklamo echaza i-laminate ekhethekile elahlekelwa kancane kodwa lapho i-I-Tera MT40 ihlangabezana nesabelomali sokulahlekelwa futhi inikeza ukutholakala okungcono kweketanga lokuhlinzeka

3.2 Uma i-I-Tera MT40 iyisinqumo esingalungile

Ngaphezu kuka-25 GHz, i-Df ye-I-Tera MT40 engu-0.0031 iba yisithiyo sokulahlekelwa kokufakwa. Kumamojula e-5G mmWave array, i-radar yezimoto engu-77 GHz, kanye nehadiwe yesathelayithi ye-Ka/Ku-band, ama-laminate asekelwe ku-PTFE (i-laminate ekhethekile yokulahlekelwa okuphansi, i-laminate esuselwa ku-PTFE) ayadingeka ukuze kuhlangatshezwane nesabelomali sokulahlekelwa kokufakwa kwesistimu. Ukuze kube nomqondo wedijithali omsulwa ongaphansi kuka-3 GHz, i-high-Tg FR4 yanele futhi ishibhile kakhulu.

4. Izitayela Zokulungiselela Ngaphambi Kokukhulelwa kanye Nobunjiniyela Bokuqongelela

I-I-Tera MT40 prepreg itholakala ngezitayela eziningi zeglasi (106, 1080, 2116, 3313), ngayinye inokuqukethwe okuhlukile kwe-resin kanye nobukhulu obuqiniwe. Isitayela se-prepreg sithinta umnikelo we-Dk wesendlalelo sebhondi kanye nokumelana kwezimpawu eziseduze. Kwakhiwe i-hybrid I-Tera/FR4, ukusebenzisa isitayela 3313 phezu kuka-2116 ku-RF bond interface kunciphisa ukungaqhubeki kwe-dielectric - imininingwane ethinta ngqo ukunemba kwe-impedance elawulwayo ku-interface ye-lamination engaphezu kuka-15 GHz. Umkhiqizi onolwazi ucacisa isitayela esifanele ngokusekelwe ku-dielectric thickness yakho eqondiwe kanye nemodeli ye-impedance - akuyona inketho eshibhile etholakalayo.

5. I-I-Tera MT40 vs. Ama-Laminate Ancintisanayo Ane-Lose Low

Uhlaka oluphelele lokuqhathanisa izinto — kufaka phakathi indawo yochungechunge lokuhlinzeka, ubunzima benqubo, kanye nezindleko ngesendlalelo ngasinye — luhlanganiswe kumhlahlandlela wethu wokukhetha izinto ze-PCB laminate.

6. Ukukhethwa kwe-Copper Foil kwezendlalelo zesignali ze-I-Tera

Ukukhetha i-I-Tera MT40 nge-Df yayo ephansi nokuyihlanganisa nethusi elijwayelekile le-electrodeposited (ED) kungenye yezinkinga ezivame kakhulu ekusebenzeni ekwakhiweni kwe-RF PCB. Ngaphezulu kwe-5 GHz, umphumela wesikhumba ugxila kumandla kagesi kuma-microns angaphandle omqhubi — uma ubulukhuni be-Rz budlula ukujula kwesikhumba, ukumelana okusebenzayo komqhubi kuyanda kanye nokulahlekelwa kokufakwa kuyakhuphuka. I-Highleap icacisa ithusi le-VLP njengokuzenzakalelayo kwezingqimba zesiginali ze-I-Tera MT40 ezingaphezu kwe-10 GHz. Uma i-RFQ yakho ingasho ngokusobala uhlobo lwe-foil yethusi, qinisekisa nomkhiqizi wakho ngaphambi kokuvuma i-stackup.

7. Izidingo Zenqubo Yokukhiqiza ze-I-Tera MT40

Izinqubo ze-I-Tera MT40 kumishini yekilasi le-FR4 enezinguquko ezithile. Ngokungafani ne-PTFE, ayidingi i-plasma desmear. Kodwa-ke, ifektri esebenzisa i-I-Tera ngohlelo lwe-FR4 press olungakashintshwa izokhiqiza amabhodi anokulingana kwe-Dk okungaphansi kanye nokwelashwa okungaphelele — ukuhlukahluka okubonakala njengokugeleza kwe-impedance kuwo wonke amaphaneli okukhiqiza. Izidingo ezibalulekile yilezi: iphrofayili yokwelapha eqinisekisiwe ye-I-Tera resin chemistry; ithusi le-VLP/RTF ezingqimbeni ze-RF; isinxephezelo se-etch esithile sezinto; kanye nokulinganiswa kwekhuphoni le-TDR elingu-100% ngephaneli ngayinye.

Kuma-stackup e-hybrid I-Tera/FR4, ukungafani kwe-CTE phakathi kwezingqimba zangaphandle ze-I-Tera kanye nama-core angaphakathi e-FR4 kudinga ukukalwa kobuciko be-anisotropic ku-CAM ukuze kugcinwe ukubhaliswa. Amafektri angenayo idatha yesinxephezelo se-CTE eqinisekisiwe yale nhlanganisela akhiqiza amaphutha okubhalisa avela kuphela ekubalweni kwezingqimba eziphakeme noma ekujuleni kwesakhiwo ngezakhiwo. Le mininingwane yenqubo ingenye yezizathu ezenza sincome ukuthi sibukeze ukubuka konke kwenqubo yethu yokukhiqiza ye-PCB ngaphambi kokukhetha umlingani wokukhiqiza wezakhiwo ze-hybrid.

Kumiklamo efaka i-HDI ngezakhiwo ngaphakathi kwezingqimba ze-I-Tera, ukungaboni kahle nokugqitshwa ngokucubungula kumele kubhekele amapharamitha athile okubhoboza kanye nokwelashwa ngemva kokubhoboza — okuhlukile ekwakhiweni okujwayelekile kwe-FR4 HDI.

8. I-Highleap Electronics: Ukwakhiwa Nokuhlanganiswa kwe-PCB ye-Isola I-Tera MT40

I-Highleap Electronics igcina izinqubo ezifanele zokukhiqiza ze-Isola I-Tera MT40 prepreg. Izinsizakalo ezijwayelekile ezilethwayo kuzo zonke izinhlelo ze-I-Tera:

• Isibuyekezo se-DFM: Ukubuyekezwa okuqondile kwe-I-Tera okuhlanganisa isitayela se-prepreg, i-copper foil, isinxephezelo se-CTE, kanye nokuqinisekiswa kwemodeli ye-impedance — kubuyiselwe kanye nesilinganiso ngasinye
• Ukulandelelwa Okubalulekile: Isitifiketi sendawo ye-Isola nayo yonke i-oda lokukhiqiza — siyadingeka ezinhlelweni zokuzivikela, zezindiza, kanye nezokwelapha
• Ukulinganisa kwe-TDR okungu-100%: Umbiko wedatha yekhuphoni ye-impedance ebonakalayo kukho konke ukuthunyelwa — hhayi isitifiketi sokudlula/sokwehluleka
• Ukuhlolwa kwe-VNA: Idatha yepharamitha ye-S21/S11 iyatholakala kuzinhlelo zokusebenza ezibaluleke kakhulu ekulahlekelweni okungaphezu kwe-10 GHz
• Ukususwa Kwengxenye Encane Yesigcawu: I-athikili yokuqala kanye nesampula yokukhiqiza — ikhwalithi yesixhumi esibonakalayo sebhondi, ngokusebenzisa ubukhulu be-plating, i-etch geometry
• Ukuhlanganiswa Okuhlanganisiwe: Umhlangano we-Turnkey PCB ngamaphrofayili okuphinda ageleze aqondene ne-I-Tera ngemva kokukhiqizwa

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