Ukukhiqizwa kwe-PCB yekhamera ye-Endoscope ephathekayo yama-OEM

I -PCB yekhamera ye-endoscope ephathekayo ingabhekisela kuma-elekthronikhi emikhiqizo yokuhlola yezimboni noma kuma-elekthronikhi ekhamera ahloselwe amadivayisi ezokwelapha alawulwayo. Ihadiwe engaphansi ingabelana ngezinzwa ezincane ze-CMOS, ukukhanya kwe-LED, izintambo ezincane zokuhlola kanye namabhodi okucubungula izithombe, kodwa imibhalo yokukhiqiza, ukuqinisekiswa, ukulandeleka kanye nezibopho zomthetho zingahluka kakhulu. Lezo zigaba zohlelo lokusebenza akufanele zihlanganiswe zibe yisicelo esisodwa esijwayelekile.

Ngokombono wobunjiniyela be-PCB/PCBA, isici esidinga kakhulu ngokuvamile ikhanda lekhamera. Ububanzi obutholakalayo bungaphoqa izingxenye ezincane kakhulu, amabhodi aqinile amancane, amasekethe aguquguqukayo, ukuguqulwa okuqinile noma izakhiwo ze-HDI. Ikhebula le-probe kufanele lithwale idatha yesithombe namandla endleleni ende encane kuyilapho ama-elekthronikhi ayinhloko ehlinzeka ngokucubungula, ukubonisa, ukuxhumana kwe-USB noma okungenantambo kanye nokuphathwa kwebhethri.

I-Highleap Electronics ingasekela ukwenziwa nokuhlanganiswa kwe-PCB eqinile, eguquguqukayo neqinile ephethwe ngamakhasimende uma lobo buchwepheshe bukhona ekwakhiweni okukhishwe, kanye nokuthola izingxenye, ukuhlela kanye nokuhlolwa kokusebenza okuchazwe ngamakhasimende. Lesi sihloko sigxile ekukhiqizweni futhi asisho izitifiketi zezokwelapha ezinganikezwanga noma ukuvunyelwa kokulawula kwedivayisi eqediwe.

Izidingo ze-PCB ze-Endoscope Yezimboni kanye ne-Medical Endoscope Kumele Zihlukaniswe

Ama-endoscope ezimboni avame ukusetshenziswa kwemishini, izimoto, izindiza, amapayipi kanye nezakhiwo ezingafinyeleleki. Izinto eziza kuqala kwezobunjiniyela zingafaka ububanzi be-probe, ukuqina kwekhebula, ukuvimbela amanzi, ukukhanya kanye nekhwalithi yesithombe. Ama-electronics e-endoscope yezokwelapha angasebenzisa amasu afanayo okuthwebula izithombe ezincane kodwa angaletha izidingo ezengeziwe zokuphathwa kwezingozi, ukulawulwa komklamo, ukulandeleka, izinto zokwakha, ukuhambisana kokuhlanza noma ukubulala amagciwane kanye nezinhlelo zekhwalithi ezilawulwayo kuye ngedivayisi kanye nemakethe.

Ngakho-ke, umhlinzeki we-PCB kufanele acele imininingwane yokukhiqiza kokusetshenziswa kokugcina kunokuba aphethe ngokuthi ukuhambisana negama elithi “endoscope.” Uma ikhasimende ledivayisi yezokwelapha lidinga izitifiketi ezithile, ukuqinisekiswa kwenqubo noma amarekhodi, lezo zidingo kufanele ziqinisekiswe ngqo ngaphambi kwekhotheshini. Akufanele neze zisungulwe njengekhophi yokumaketha.

Kuzo zombili izigaba, indawo yokuqala yobuchwepheshe iyafana: chaza ikhanda lekhamera, ikhebula kanye nebhodi lokucubungula eliyinhloko njengohlelo olulodwa. Umehluko uvela kumadokhumenti, izilawuli zenqubo kanye neziqu zomkhiqizo oqediwe.

Ukwakhiwa Kwe-Endoscope Camera Electronics Okujwayelekile

Ezinye izinzwa zekhamera zihlanganisa inani elikhulu lokucubungula izithombe futhi zidlulise ukusakaza okuhleliwe, kuyilapho ezinye zidinga ukwesekwa okwengeziwe okuvela kumphathi. Inzwa ekhethiwe inquma imigqa yamandla, amawashi, umkhawulokudonsa wesixhumi esibonakalayo, inani lama-conductor kanye nenani lezingxenye zendawo. Ithimba lokukhiqiza kufanele lithole ishidi ledatha lezinzwa eliqondile kanye nemikhawulo yokuklama izinkomba evunyiwe kunokuba kube nesisombululo sekhamera sezinga eliphezulu kuphela.

Ukwakheka kungafaka nebhodi lokukhanyisa elihlukile, ibhodi lenzwa elikude kanye nebhodi lokuxhumana eliseduze. Kuma-probe amancane kakhulu, izingxenye zingasatshalaliswa ngesekethe eligobile esikhundleni sokugxiliswa esicongweni esisodwa esiqinile. Lokho kuhlukaniswa kwemishini kagesi kudinga ukuqandiswa ngaphambi kokuba kukhishwe imidwebo yokugcina yokwenziwa kwe-PCB ngoba kunquma ngqo izindawo zokugoba ezigobile, izinti kanye nezithwali zokuhlanganisa.

I-RFQ ewusizo ikhomba ukuthi yiziphi izihlanganisi ezincane okulindeleke ukuthi zakhiwe yi-Highleap. Ukwenziwa kwe-Bare flex, i-SMT yekhamera, ukunamathiselwa kwekhebula, ukuhlanganiswa kwebhodi eliyinhloko kanye nokuhlanganiswa kokugcina kwe-optical/mechanical kuyimisebenzi ehlukene. Ukuzihlanganisa ngaphansi kwe-"turnkey endoscope" ngaphandle kwemidwebo kwenza izindleko kanye nomthwalo wemfanelo kube nzima.

Ukwenza i-PCB yekhamera ye-Endoscope ibe yincane

Ukunciphisa i-aaturization akuyona nje indaba yokunciphisa uhlaka lwebhodi. Njengoba ububanzi be-probe buwa, iphakheji yezingxenye, ngokusebenzisa ububanzi, inani lezendlalelo, ukuphakama kwesixhumi kanye ne-geometry ye-solder-mask kuqala ukusebenzisana. Ukwakheka okuhambisana ne-CAD kungase kungashiyi margin eyanele yokukhiqiza yokuqondisa, ukuhlanganisa noma ukususa amaphaneli.

Usayizi wephakheji yengxenye

Ama-passive amancane namaphakheji ezinzwa ezicijile anganciphisa ukunyathela, kodwa andisa izidingo ze-stencil, indawo kanye nokuhlolwa. Amaphakheji amancane kakhulu kufanele asetshenziswe lapho exazulula khona ububanzi bangempela noma umkhawulo wokuphakama kunokuba abe yisibonakaliso esizenzakalelayo somklamo othuthukisiwe. Izinketho ezinkulu zamaphakheji zingathuthukisa isivuno kanye nokuthola uma isikhala semishini sivuma.

I-HDI nama-microvia

I-HDI ingaba yimfuneko uma i-BGA/WLCSP encane noma i-dense sensor escape ingenakukwazi ukuhanjiswa nge-vias. Ama-Microvias kanye ne-via-in-pad kunciphisa ukuvinjelwa komzila, kodwa anezela izinyathelo zokwenziwa futhi adinga isakhiwo se-assembly pad esihambisanayo. I-stack-up ekhishwe kufanele ichaze ukujula kwe-blind-via, izidingo zokugcwalisa/i-cap kanye nanoma yiziphi izakhiwo ezihlanganisiwe noma ezihlanganisiwe. I-board shop akufanele izenze ngendlela ehlukile ngesikhathi sokucaphuna.

Ukujiya kwebhodi

Amabhodi aqinile amancane noma amasekethe aguquguqukayo angasiza ekulinganeni kweprobe encane, kodwa ukuqina komshini kwehla njengoba ukujiya kwehla. I-PCB kungadingeka isekelwe yindlu yelensi noma isiqinisi ngesikhathi sokuhlanganiswa. Ibhodi elenziwa ngogesi kodwa eligobile ngesikhathi sokubekwa kwenzwa lingadala izinkinga zokuqondanisa optical.

Ukususwa kwesixhumi

I-Rigid-flex ingasusa isixhumi esincane phakathi kwekhamera ekude nekhebula, isindise ukuphakama kanye nokwehluleka kokuxhumana okungenzeka. Ukushintshana kuyindlela yokwakha i-PCB eyinkimbinkimbi kakhulu futhi kungashintshaniswa kancane. Ubunjiniyela kufanele buqhathanise ivolumu yokuhlanganisa kanye nokuthembeka, hhayi izindleko zebhodi elingenalutho zodwa.

Umklamo Oguquguqukayo Noqinile We-Camera Probe

I-Flex PCB iyakhanga ku-endoscope ngoba ingadlula ezindaweni ezigobile ezincane ngenkathi iphethe amasignali ezinzwa, amandla e-LED kanye nokulawula. I-Rigid-flex yengeza izindawo eziqinile zezingxenye emaphethelweni akude noma aseduze. Akukho buchwepheshe obuphoqelekile; ukukhetha kuncike kumishini ye-probe kanye nomthamo wokukhiqiza.

Izingxenye akufanele zibekwe endaweni egobile ngaphandle kokuthi umklamo uchaze ngokucacile ukucindezeleka. Imigqa kufanele ishintshe kahle ezindaweni ezigobile, futhi ukugoba intamo okungazelelwe emingceleni eqinile kufanele kugwenywe lapho kungenzeka khona. Umenzi angaphakamisa amaconsi ezinyembezi, izinguquko zesembozo noma ukwesekwa kwephaneli, kodwa noma yiluphi ushintsho ku-probe eboshwe ngokuqinile kufanele lubuyiselwe kubunjiniyela ngoba lungathinta imvilophu yemishini.

Ekuhlanganiseni, i-flex ingaboshwa okwesikhashana noma ibanjwe kuphaneli yokuthwala. Ukwakheka kwephalethi yokugeleza kabusha kuba kubaluleke kakhulu lapho ibhodi linenzwa yesithombe esindayo kolunye uhlangothi kanye nomsila omncane kolunye. Ngemva kokuhlanganisa, imiyalelo yokuphatha kufanele ivimbele opharetha ekusebenziseni umsila we-flex njengesivikelo lapho behambisa noma behlola ikhanda lekhamera.

Ukugcina Ubuqotho Besignali Ngekhebula Elide Le-Endoscope

Idatha yesithombe esisheshayo ehamba ngekhebula elincane le-probe ihlangabezana nezinkinga ezifanayo eziyisisekelo njenganoma iyiphi indlela yokudlulisela: ukuncishiswa, ukungaqhubeki kwe-impedance, ukuxoxa nge-crosstalk kanye nokuphazamiseka kwendlela yokubuyela emuva. Ubunzima buwukuthi ikhebula lomshini linganikeza inkululeko encane kakhulu kune-PCB ebanzi. Ngakho-ke ukukhetha kwe-interface kudinga ukuqinisekiswa ngaphezu kobude bekhebula lokukhiqiza elihlosiwe, hhayi ebhodini lokuhlola kuphela.

Ukushintshashintsha kwe-PCB kuya kukhebula kungabusa isiteshi

I-distal board escape, i-flex tail, i-solder joint noma i-connector, ikhebula kanye ne-proximal receiver kufanele kubhekwe njengesiteshi esisodwa. Izinkomba zomhlaba kufanele ziphathwe ngokushintsha ngendlela i-interface elindele ngayo. I-differential pair eqondiswe kahle kuwo womabili ama-PCB ingasabona ukungazinzi okukhulu uma i-connector pinout ihlukanisa i-pair nezindlela zayo zokubuya.

Amandla nedatha zabelana ngendlela efanayo encane yemishini

Inzwa yesithombe kanye nogesi we-LED kubangela ukwehla kwamandla kagesi ngentambo. Lokho kungashintsha imingcele yendawo noma kufake umsindo emhlabathini wenzwa. Imiklamo ingasebenzisa umthethonqubo wendawo noma ama-conductor amaningi omhlaba/amandla ukulawula lokhu. Umdwebo wentambo yokukhiqiza kufanele ucacise ukwabiwa kwe-conductor futhi ungavumeli intambo ebonakala ilingana ukuthi ithathelwe indawo ububanzi bangaphandle kuphela.

Ukushiya

Isivikelo singanciphisa ukuphazamiseka kwangaphandle futhi siqukethe ukukhishwa kwekhamera-isixhumanisi, kodwa ukuphela kuyingxenye yomklamo. Isivikelo esixhunywe endaweni engafanele singadala izindlela zamanje ezingafuneki. Umdwebo wokuhlanganisa kufanele ucacise ukuthi isivikelo sekhebula sibopha yini emhlabathini we-PCB, i-chassis noma enye inkomba nokuthi ukuphela kwenziwa kanjani ngomshini.

Ukuhlolwa kokusebenza kufanele kufake ubude obukhulu bekhebula lokukhiqiza elihlosiwe noma esinye isilingisi sesiteshi esiqinisekisiwe. Ikhebula elifushane lokufaka lingafihla izinkinga ze-margin ezivela kuphela ngemva kokuhlanganiswa kwe-probe kokugcina.

Izinselele Zokuhlanganisa Ikhanda Lekhamera Ye-PCB

Ikhanda lekhamera elikude lingaba elinye lama-PCBA ayingozi kakhulu kumkhiqizo ngoba lihlanganisa i-geometry enhle, izindawo ezibonakalayo kanye nokufinyelela okulinganiselwe kokulungiswa kabusha. Iphutha elincane le-solder okungaba lula ukulilungisa ebhodini elikhulu eliyinhloko lingase libe yizicucu ngemva kokuba ikhamera iboshwe endlini ye-probe.

Amaphakheji amancane e-SMD kanye ne-fine-pitch

Ukuphrinta nge-paste kudinga ukwesekwa okwanele ngaphansi kwebhodi elincane noma i-flex. Umklamo wokuvula nge-stencil kufanele ulinganisele ama-passive amancane nama-sensor noma ama-LED pad amakhulu. Ama-fiducial okubeka kumele ahlale ebonakala ngemva kokufakwa kwamaphaneli. Uma i-sensor iyi-WLCSP noma enye iphakheji ehlanganisiwe efihliwe, i-X-ray ingaba usizo kuye ngesakhiwo se-pad kanye nengozi.

Ukuqondanisa inzwa

Ukubekwa kwe-SMT kuthola inzwa uma kuqhathaniswa nama-fiducial e-PCB, kodwa i-axis yokugcina ye-optical incike ekubekezeleleni kwebhodi, isibambi selensi, ama-datum endlu kanye ne-adhesive. Umdwebo kufanele ukhombe ukuthi yimiphi imiphetho noma izimbobo ze-PCB eziyi-datums zemishini ukuze umenzi azi ukuthi zingaphezu kwemingcele yokuqondisa.

Ukubekwa kwe-LED

Indawo ye-LED ezungeze inzwa ithinta ukulingana kokukhanya. Uma umklamo usebenzisa ama-wavelength amaningi noma ama-LED bin ahlukene, ifayela le-BOM kanye nokubekwa kufanele lihlanganise ingxenye ngayinye ngokunembile. I-LED engalungile isengakhanyisa futhi iphumelele ukuhlolwa kukagesi okuyisisekelo ngenkathi yehluleka isidingo se-optical.

Ukuhlanzeka kwamehlo

Uthuli kanye nezinsalela eduze kwenzwa kudinga izilawuli zokuphatha ezizinikele. Imiyalelo yokusebenza kwekhamera nekhanda ingadinga ukususwa kwefilimu evikelayo esigabeni esithile, ukuhlanza izitsha zokugcina noma ukuhlolwa ngaphansi kokukhulisa. Lezi zilawuli kufanele zihlukaniswe ekuhlanzweni kwebhodi elijwayelekile ngoba indawo ehlanzekile ngamakhemikhali isengaba nezinhlayiya ezibonakalayo ngokubonakalayo.

I-PCB Eyinhloko Yokucubungula Izithombe, Ukuhlanganiswa Kwamandla Nokungenantambo

I-proximal/main PCB ivame ukuba nezinselele zokukhiqiza ezivamile: iprosesa yohlelo lokusebenza noma i-MCU, imemori, isixhumi sesibonisi, i-USB, isitoreji, i-Wi-Fi/BLE kanye nokushaja ibhethri. Kuye nge-bandwidth yevidiyo kanye nephakheji yeprosesa, ibhodi lingadinga umzila we-multilayer controlled-impedance routing, i-BGA escape noma i-HDI.

I-PCB eyinhloko kufanele futhi ihlukanise umsebenzi wedijithali osindayo kanye nomsebenzi wamandla kusuka ku-interface yekhamera engenayo. Ukushintsha indawo yokulawula, ama-transients e-USB kanye ne-wireless RF kunganciphisa i-link margin noma kudale izinto ezibonakalayo. Ngakho-ke, isakhiwo esiqinile somhlabathi/ireferensi kanye nokuphuma kwesixhumi esilawulwayo kuyasiza yize inzwa yesithombe ebucayi ikude ngokomzimba esicongweni se-probe.

Ibhethri nokushisa kokushaja

Amayunithi okubonisa aphathekayo angafudumala ngesikhathi sokushaja noma ukucubungula isithombe okuqhubekayo. Lokho kushisa kungase kungathinti ngqo inzwa ekude ngekhebula elide, kodwa kungashintsha ukusebenza kweprosesa kanye nokuthembeka kwe-enclosure. Ama-thermal vias, i-copper spreading kanye ne-mechanical conduction kufanele alandele umklamo we-thermal okhishwe.

Izinhlobo ze-firmware kanye ne-sensor yekhamera

Amamojula ekhamera anesinqumo esifanayo angasebenzisa amasethi ahlukene okubhalisa noma idatha yokulinganisa. Ukukhiqizwa kufanele kuxhume i-BOM yenzwa eqondile nesithombe se-firmware esifanele. Uma umklamo usekela izinhlobo eziningi ze-probe, ifektri idinga i-matrix ye-SKU yokuhlanganiswa kwe-probe/ikhebula/ibhodi eliyinhloko kunefayela elilodwa lohlelo olujwayelekile.

Ukuhlolwa, Ukuqinisekiswa Kokubona kanye Nemingcele Yokukhiqiza Ukusetshenziswa Kwezokwelapha

Ukuhlolwa kokukhiqizwa kwe-PCBA kungaqinisekisa izinto zikagesi ngaphambi kokuqinisekiswa kokugcina kwedivayisi. Ukuhlolwa okuvamile kufaka phakathi ukuqalisa kweprosesa, ukuxhumana kwenzwa, ividiyo ebukhoma, ukusebenza kwe-LED, ukuqhubeka kwekhebula, imisebenzi yokubonisa/i-USB/engenantambo kanye nokushaja. Ithagethi yokuhlola isithombe ingahlola ukugxila noma amaphutha amakhulu esithombe uma imithetho yokufakwa kanye nokuphumelela/ukwehluleka ichazwa yi-OEM.

Ukuhlolwa kwesithombe akuthathi indawo yokuqinisekiswa kwedivayisi eqediwe

Ukugxila, ukuxazululwa, ukukhanya, ukuhlanekezela kanye nombala kuncike ku-lens, indawo yokuhlala kanye ne-probe ehlanganisiwe. Kumadivayisi ezokwelapha, ukuphepha okwengeziwe kanye nokuqinisekiswa kokusebenza kungadingeka ngokuhlukaniswa kwedivayisi efanele kanye nemakethe. Ifektri ye-PCBA akufanele iveze ukuhlolwa kwesithombe esikrinini njengobufakazi bokuthobela imithetho yedivayisi yezokwelapha.

Ukuhlanza kanye nokuhambisana kwezinto ezibonakalayo kuyizinto ezifakwayo zomklamo ezingeni lomkhiqizo

Uma i-endoscope yezokwelapha noma isesekeli senzelwe ukubulala amagciwane noma ukuhlanza okuphindaphindiwe, izinto ze-PCB, izinamathiseli, ama-encapsulants, amajakethi ekhebula kanye nezimbozo ezibonakalayo kungadingeka ukuthi zisinde enkambisweni echaziwe. Lezo zidingo kumele zivela ekwakhiweni okuqinisekisiwe komkhiqizi wedivayisi yezokwelapha. I-Highleap kufanele ikhiqizwe ngokuvumelana nalezo zincazelo ezinikeziwe kunokuba ifune iresiphi "ye-PCB yezinga lezokwelapha" jikelele.

Ukulandelela

Izinhlelo zingadinga ukulandelelwa kwezinga le-lot noma ngeyunithi ngayinye yedatha ye-PCB, inzwa, i-firmware noma ukulinganisa. Ukujula okudingekayo kufanele kushiwo ku-RFQ ngoba kuthinta ukulebula, ukuphathwa kwedatha kanye namarekhodi okukhiqiza. I-Highleap ingacaphuna futhi isebenzise ukulandelelwa okuchazwe ngobuchwepheshe bephrojekthi.

Kusukela ku-Prototype kuya ku-Production: Okufanele Ukuthumele Kumhlinzeki we-PCBA

Ukwakhiwa kweprototype kufanele kusungule okungaphezu kokusebenza kukagesi. Ithimba kufanele liqinisekise ububanzi beprobe, ukuziphatha kwe-flex, ukulahleka kwekhebula, izinga lokushisa le-LED, ukuqondanisa okubonakalayo, izinto zobuciko zesithombe, ukuphathwa kwe-assembly kanye nokufinyelela kokuhlola. Uma ikhanda lekhamera lingahlanganiswa ngesandla kuphela ngaphansi kwe-microscope, lokho kungamukeleka kuma-prototype ayishumi kodwa kubize futhi kungaguquki ezinkulungwaneni zamayunithi.

Ukukhiqizwa kwe-pilot kufanele kusebenzise i-flex-intent production stack-up, ikhebula, inzwa, isikhombimsebenzisi selensi kanye ne-fixture. Lesi yisigaba sokukhiya iphaneli, abathwali, iphrofayili yokugeleza kabusha, ukuhlanza/ukuphatha, ukuhlela kanye nokuhlolwa kwesithombe. Izinhlelo zedivayisi yezokwelapha kufanele futhi ziqinisekise ukuthi amarekhodi enqubo adingekayo kanye nemisebenzi yokuqinisekisa ichazwa ngaphambi kokukhishwa kwevolumu.

Iphakheji ye-RFQ

Iphakheji ephelele ivumela i-Highleap Electronics ukuthi isho umsebenzi wokukhiqiza we-PCB/PCBA ngokunembile ngaphandle kokuthembisa ngokweqile ukuklama idivayisi eqediwe noma izinsizakalo zokulawula. Ezinhlelweni zezimboni, lokho kungasho i-PCBA encane yekhamera kanye nesilawuli esiyinhloko. Ezinhlelweni zezokwelapha ezilawulwayo, izidingo ezengeziwe zekhwalithi/inqubo zingabuyekezwa kuphela uma ikhasimende lizihlinzeka.

Umgomo wokukhiqiza ukulondoloza i-geometry yekhamera-ikhanda ekhishwe, isiteshi se-flex/cable, ukuhlanzeka kokukhanya, i-BOM kanye nokuhlolwa kokukhiqiza njengoba iphrojekthi ikala. Leyo yindlela esebenzayo kusukela kumodeli omncane osebenzayo kuya ekuhlanganisweni kwe-PCB yekhamera ye-endoscope ephindaphindwayo.

imibuzo ejwayelekile ukubuzwa

Izidingo zokukhiqiza kufanele ziqinisekiswe ngokuqhathanisa namafayela okuklama akhishwe, izincazelo zabakhiqizi bezingxenye kanye nezimfuneko zokuqinisekiswa noma zomthetho ezisebenzayo zomkhiqizo wokugcina.