Heavy Copper PCB for Aerospace kanye Defence Power Modules

Isingeniso: Ukuhlangabezana Nezimfuneko Ezinamandla Aphezulu kanye Nokuthembeka Okuphezulu

Amamojula wamandla ezindiza kanye ne-elekthronikhi yokuzivikela adinga amandla okuthwala imithwalo yamandla aphezulu ngaphansi kwezimo zemvelo ezimbi kakhulu. Izicelo ezifana nezinhlelo ze-radar, izilawuli zokushayela zikagesi, amayunithi okusabalalisa amandla e-satellite, kanye nokuphathwa kwamandla esistimu yezikhali kudinga ukuthembeka okumangalisayo kanye nokuqina kokushisa.

I-PCB Enethusi Elikhulu yamamojula wamandla okundiza kanye nawokuvikela ibhekana nalezi zidingo ezibalulekile ngokuhlinzeka ngamandla athuthukisiwe okuthwala ugesi, ukushabalalisa ukushisa okuphezulu, kanye nokuqina okuqinile kwemishini. Lawa mabhodi wesekethe akhethekile akha umgogodla wezinhlelo ezibalulekile lapho ukwehluleka kungeyona inketho.

Izimo Zokusebenza Ze-Heavy Copper PCB Ezinhlelweni Zokuvikela

I-Aerospace Ejwayelekile Nezicelo Zokuvikela

Amabhodi okusabalalisa amandla ezinhlelweni zikagesi zendiza kufanele aphathe imisinga engaphezu kuka-30A kuyilapho egcina ubuqotho besignali kuwo wonke amashaneli amaningi. Amayunithi wamandla okulawula imicibisholo adinga amadizayini ahlangene amelana namandla okusheshisa ukuqalisa kanye noshintsho olusheshayo lwe-thermal. Ama-amplifiers e-radar kanye nokuxhumana adinga ukuphathwa okushisayo okunembayo ukuze kugcinwe ukuqina kokuphumayo phakathi nemijikelezo yokusebenza eyandisiwe.

Izinselele Zokusebenza Ezivamile

Izidingo zokudlulisa zamanje eziphakeme zivame ukudlula u-20A ngomkhondo ngamunye, kudala imithwalo eshisayo ebalulekile amadizayini avamile e-PCB angakwazi ukuyilawula ngokwanele. Izinga lokushisa elisebenzayo lisukela ku--55°C kuya ku-+150°C izinto ezingaphansi kokucindezeleka okushisayo kwamabhayisikili. Amafrikhwensi wokudlidliza asuka ku-10Hz aye ku-2000Hz futhi ukushaqeka kulayisha kufika ku-100G ukuhlola ukuxhumeka komshini ngokuqhubekayo. Ama-elekthronikhi wamandla okuvikela kumele ahlanganise ukuphindaphindeka kanye nokubekezelela amaphutha ngenkathi kunciphisa isisindo kanye nemingcele yevolumu.

Kungani I-Heavy Copper PCB Idlula Imiklamo Ejwayelekile

Ikhono Lokuthwala Lamanje Elithuthukisiwe

Ukwakhiwa kwe-PCB yethusi esindayo kusebenzisa ukujiya kwethusi okusukela ku-2oz kuya ku-10oz, uma kuqhathaniswa nemiklamo ejwayelekile ye-1oz. Lokhu kukhula kwesisindo somqhubi kusekela ngqo ukuminyana kwamanje okuphezulu ngenkathi kunciphisa ukulahlekelwa kokumelana nokwehla kwamandla kagesi. Ukuqhuba okuphezulu kokushisa kwezingqimba zethusi ezijiyile kusebenza njengezisabalalisi zokushisa ezihlanganisiwe ezisabalalisa amandla okushisa kulo lonke isakhiwo sebhodi, zivimbela izindawo ezishisayo zasendaweni.

Ukuqina Komshini Nokwethenjelwa

Imikhondo yethusi ewugqinsi ibonisa amandla amakhulu emishini, imelana nokwehluleka okubangelwa ingcindezi okuvela ekudlidlizeni kanye nokungezwani kokwanda kokushisa. I-PCB yethusi esindayo yamamojula we-aerospace namandla okuzivikela anciphisa amaphuzu okuxhumana ngokusekela izindlela zamanje ezibanzi, eziqine kakhulu. Le ndlela inciphisa ngezingozi zokutubeka futhi ilandelela ukwehluleka kokuphakamisa okuvamile ezinhlelweni zamandla aphezulu ngaphansi kwezimo zokulayisha ezijikelezayo.

Ukucatshangelwa Kokuklama Nokukhiqiza Kwe-Heavy Copper PCB

Ukulawula Ukuqina Kwethusi kanye Nesitaki Sesendlalelo

Ukukhiqizwa kwe-PCB yethusi esindayo kudinga ukufana okuqondile kokucwebezela ukuze kufezwe ukubekezelelana kobukhulu ngaphakathi kuka-±10%. Izinqubo zokucwebezela nge-electroplating kumele zibuyisele ukuhlukahluka kokusatshalaliswa kwamanje kuwo wonke ama-geometri ephaneli ukuqinisekisa ukufakwa kwethusi okulinganayo. Umklamo we-PCB wezinga lezindiza udinga ukusatshalaliswa kwethusi okulinganayo kulo lonke i-stack yesendlalelo ukuze kuvinjelwe ukugoba ngesikhathi sokucubungula ukushisa.

Ukukhetha izinto eziyisisekelo phakathi kwe-high-Tg FR4, i-polyimide, nama-metal-core substrates kuncike ezidingweni ezithile ezishisayo nezisetshenziswayo. I-coefficient yokumatanisa kokunwetshwa okushisayo phakathi kwezinto zethusi ne-substrate iba semqoka ekwakhiweni kwethusi esindayo ukuze kugcinwe ukuzinza kwe-dimensional.

Ukuthuthukisa Inqubo Yokukhiqiza

Ukunemba kokunamathisela kuba bucayi lapho kucutshungulwa izendlalelo zethusi eziwugqinsi, njengoba isilawuli se-undercut nama-engeli we-sidewall kuthinta ngokuqondile i-trace impedance kanye nokusabalalisa kwamanje kokuminyana. Imingcele ye-Lamination kumele ibhekane nokwanda komthamo wokushisa wethusi ukuze kuqinisekiswe ukugeleza okuphelele kwe-resin nokuqedwa okuyize. Izinqubo zokwenziwa kwe-PCB ezithobela i-MIL-STD zifaka amasu okumba akhethekile ukuze kulawuleke ukukhuphuka kokumelana kwemishini kwezingqimba zethusi eziwugqinsi ngaphandle kokubeka engcupheni ikhwalithi yembobo.

Ukuhlolwa Kokuqinisekisa Ukuthembeka

Amaphrothokholi okulawula ikhwalithi ye-Aerospace PCB alandela amazinga aqinile okuhlola imvelo nemishini:

• Ukujikeleza kokushisa – -55°C kuya ku-+125°C okungenani imijikelezo engu-500 ngezidingo ze-IPC-6012DS zeSigaba 3 kuqinisekisa ukuhambisana kwezinto kanye nobuqotho bejoyinti le-solder.

• Ukuhlolwa kokudlidliza - Amaphrofayili e-MIL-STD-810 ahlanganisa ububanzi bemvamisa yokusebenza aqinisekisa ukunamathela kokulandelela kanye nokuthembeka kokufakwa kwezingxenye.

• Ukuhlolwa kokushaqeka - Ukusheshisa imithwalo kufika ku-100G kuqinisekisa ubuqotho besakhiwo ngaphansi kwezimo zokuqaliswa kanye nokushayisana.

• Ukuvikelwa kwemvelo - Ukusetshenziswa kwesembozo esivumelanayo kanye nokuqedwa kobuso be-ENIG noma be-OSP kunikeza ukumelana nomswakama kanye nokugcinwa kokunamathela.

Ukuthembeka Okushisayo Nemishini ku-PCB yethusi Enzima

Ukuthuthukiswa Kokusebenza Okushisayo

Ukuthembeka kokushisa kuma-PCB asemkhathini kuncike ekusakazeni kokushisa okusebenzayo kusuka ezingxenyeni zamandla aphezulu kuya ezindaweni zokuhlangana ezicwilayo. Izendlalelo zethusi ezinzima zidala izindlela ezishisayo ezimelana kancane ezinciphisa amazinga okushisa aphakeme kakhulu kanye nama-gradients okushisa kakhulu. Isici esinqunyiwe sokumodela esishisayo sibonisa ukuthi ukujiya kwethusi okungu-5oz kunciphisa amazinga okushisa e-hotspot ngo-15-25°C uma kuqhathaniswa namadizayini angu-2oz kumamojula avamile we-radar amplifier.

Lokhu kwehliswa kwezinga lokushisa kwandisa ngokuqondile impilo yokusebenza kwengxenye futhi kuthuthukisa isilinganiso sesikhathi sesistimu phakathi kokwehluleka. I-PCB yethusi esindayo yamamojula we-aerospace namandla okuvikela inika amandla imiklamo ephakeme yokuminyana kwamandla ngaphandle kokuphazamisa amamajini ashisayo.

Ukumelana Nokudlidliza kanye Nempilo Yokukhathala

Idizayini ye-PCB emelana nokudlidliza ikhulisa ukuqina kwemishini kokwakhiwa kwethusi esindayo ukuze imelane nezindawo zokusebenza ezinzima. Ukulandelela okuwugqinsi kubonisa amaza emvelo aphezulu, okunciphisa izimpendulo ze-amplitude ezwakalayo kumabhendi okudlidliza abalulekile lapho ama-PCB ajwayelekile ehlangabezana nokuhluleka kokukhathala. Ukuthembeka okuhlanganyelwe kwe-solder kuyathuthuka njengoba ukuguquguquka kwe-PCB okuncishisiwe kunciphisa ukunqwabelana kobunzima be-cyclic ngesikhathi sokuchayeka kokudlidliza.

Ukuhlaziywa kokusebenza kwesici esiphelile kuqinisekisa ukuthi izakhiwo zethusi ezinzima eziklanywe kahle zigcina ubuqotho ngokusebenzisa ukuvezwa kokudlidliza kwezinga lokufaneleka ngaphandle kokuqaliswa kokuqhekeka. Izakhiwo ezithuthukisiwe zemishini zihumusha ngokuqondile impilo yesevisi enwetshiwe ezinhlelweni zokuvikela lapho okokusebenza kusebenza ngaphansi kwengcindezi yokudlidliza eqhubekayo.

Ukulawulwa Kwekhwalithi kanye Nesitifiketi Se-PCB Yokuvikela

Amazinga Omkhakha Nokuhambisana

Izinqubo zokuhlola i-PCB yezokuvikela zisebenzisa isikhala se-IPC-6012DS kanye nezichasiselo ze-avionics yezempi yezidingo zokuthembeka zekilasi lesi-3. Amasistimu ekhwalithi yomkhiqizi we-AS9100 eqinisekisiwe we-PCB aqinisekisa ukulandeleka kusuka ezintweni ezingavuthiwe ngokuhlolwa kokugcina kokwamukelwa. Amasistimu okuhlola okuzenzakalelayo aqinisekisa i-trace geometry, isikhala, nokufana kokuqedwa kwendawo kuwo wonke amaphaneli okukhiqiza.

Ukuhlolwa kwe-X-ray kuqinisekisa ngekhwalithi yokugcwalisa kanye nokuqondanisa kwesendlalelo sangaphakathi ekwakhiweni kwezendlalelo eziningi, kuhlonzwe okungaba khona ukukhubazeka okungabonakali ekuhlolweni okubonakalayo. Lezi zinqubo zokuhlola ezibanzi ziqinisekisa i-PCB yethusi esindayo ye-aerospace namamojula wamandla okuzivikela ahlangabezana nezidingo zekhwalithi eziqinile.

Ukuhlola kanye Nemibhalo

Ukuhlolwa kokusebenza kukagesi kuqinisekisa ukucaciswa kwedizayini ngezilinganiso ezilawulwayo:

• Ukulawulwa kwe-Impedance - Ukuqinisekiswa ngaphakathi kokubekezelelana okungu-±10% kuqinisekisa ubuqotho besignali kumamojula wamandla wesignali exubile.

• Ukumelana nokushisa - Ubuncane be-100MΩ buqinisekisa ukusebenza okwanele kwe-dielectric ngaphansi kokucindezeleka kwe-voltage yokusebenza.

• Umthamo wamanje - Ukuhlolwa kokuphakama kokushisa kuqinisekisa usayizi womqhubi uma kuqhathaniswa nemininingwane yamanje ephezulu.

• Ukuhlolwa kokuqhubeka - Ukuhlolwa kwe-flying probe okungu-100% kususa ukuvulwa kanye nokufushane ngaphambi kokuhlanganiswa.

Amasistimu aphelele okulandelela inqwaba agcina izitifiketi zezinto ezibonakalayo, amapharamitha okucubungula, kanye nemiphumela yokuhlolwa yokuphathwa kokucushwa nokusekelwa kokuhlaziywa kokwehluleka kuwo wonke umjikelezo wokuphila womkhiqizo.

Isiphetho

I-PCB yethusi esindayo yamamojula we-aerospace namandla okuzivikela iletha izinzuzo ezifakazelwe kumthamo wamanje, ukuphathwa okushisayo, nokuthembeka komshini kwezinhlelo zokusebenza ezibucayi zemishini. Inhlanganisela yezakhiwo zethusi eziqinile ezisukela ku-2oz kuya ku-10oz ukujiya, izinqubo zokukhiqiza ezinembayo, nokuqinisekiswa kwekhwalithi okuqinile kuqinisekisa ukusebenza okungaguquguquki ngaphansi kwezimo zokusebenza ezidlulele ukusuka ku -55°C kuya ku-+150°C. Lawa makhono asekela ngokuqondile abaklami besistimu ekuzuzeni ukuncishiswa kwesisindo, ukusebenza kahle okuthuthukisiwe, kanye nesiqiniseko semishini esithuthukisiwe kuzo zonke izinkundla zempi nezendawo.

Amakhono Okukhiqiza Athuthukile we-Highleap Electronics:

• Ukwenziwa kwethusi elinzima – Ubukhulu bethusi obufika ku-10oz ngokulawula ukujiya okunembile kanye nokusatshalaliswa kweplati efanayo.

• Ukusekelwa kokuhlaziywa kokushisa - Ukwenziwa kwemodeli ephelele yezinto ezilinganiselwe ukuze kuthuthukiswe ukusatshalaliswa kokushisa nokuqinisekisa ukusebenza kokushisa.

• Ukuthobela imithetho yezindiza ngokugcwele – isitifiketi se-AS9100, ukunamathela kwe-IPC-6012DS Class 3, kanye nezinqubo zokuhlola ze-MIL-STD.

• Ukulandelela okuphelele - Ukuqinisekiswa kwezinto ezibonakalayo, imibhalo yenqubo, kanye namarekhodi okuhlola okuphathwa kokucushwa.

Xhumana ne-Highleap Electronics ukuze uxoxe ngokuthi ubuchwepheshe bethu be-PCB yethusi esindayo obuthuthukisiwe bungathuthukisa kanjani ukuthembeka nokusebenza kwezinhlelo zakho zamandla okuzivikela kanye nezindiza.