Kugadzirwa kwePCB yeEndoscope Kamera Inotakurika yeOEMs

Kamera ye endoscope inotakurika PCB inogona kureva zvemagetsi zvezvigadzirwa zvekuongorora zvemaindasitiri kana zvemagetsi zvekamera zvakagadzirirwa zvishandiso zvekurapa zvinodzorwa. Zvishandiso zviri pasi zvinogona kunge zvine masensa madiki eCMOS, kuvhenekerwa kwe LED, tambo dzakatetepa dze probe uye mabhodhi ekugadzirisa mifananidzo, asi magwaro ekugadzira, kusimbisa, kutevedza uye zvisungo zvemutemo zvinogona kusiyana zvikuru. Mapoka ekushandisa iwayo haafanire kubatanidzwa kuita chirevo chimwe chete.

Kubva pamaonero einjiniya wePCB/PCBA, chinhu chinonyanya kudiwa kazhinji musoro wekamera. Dhayamita iripo inogona kumanikidza zvikamu zvidiki, mabhodhi matete akaomarara, macircuits anochinjika, machinjiko anochinjika kana HDI structures. Tambo yeprobe inofanira kutakura data remufananidzo nesimba munzira refu yakamanikana ukuwo magetsi makuru achipa processing, display, USB kana wireless connectivity uye manejimendi yebhatiri.

Highleap Electronics inogona kutsigira kugadzirwa kwePCB yakasimba, inochinjika uye yakaoma-flex inogadzirwa nevatengi kana matekinoroji iwayo aripo mukugadzirwa kwakabudiswa, pamwe chete nekutsvaga zvikamu, kuronga uye kuyedzwa kwebasa kwakatsanangurwa nevatengi. Chinyorwa chino chinotarisa pakugadzirwa uye hachirevi kuti chine zvitupa zvekurapa zvisina kupihwa kana mvumo yemutemo wekushandisa mudziyo wapera.

Zvinodiwa zvePCB zveEndoscope yeIndasitiri neMedical Endoscope Zvinofanira Kuparadzaniswa

Ma endoscope emumaindasitiri anowanzo shandiswa pamichina, mota, ndege, mapaipi uye zvivakwa zvisingasvikike. Zvinonyanya kukosha pakugadzira zvinhu zvinogona kusanganisira dhayamita yeprobe, kugara kwenguva refu kwetambo, kudzivirira mvura, kuvheneka uye mhando yemufananidzo. Ma electronics e endoscope ekurapa anogona kushandisa matekiniki madiki akafanana asi anogona kuwedzera zvinodiwa pakutarisira njodzi, kudzora magadzirirwo, kuteverwa, zvinhu, kuchenesa kana kuuraya utachiona uye masisitimu emhando yepamusoro anotarisirwa zvichienderana nemudziyo nemusika.

Saka mutengesi wePCB anofanira kukumbira tsanangudzo yekugadzirwa kwekupedzisira pane kutaura kuti "endoscope" inotevedzera mitemo yeshoko rekuti "endoscope." Kana mutengi wemuchina wekurapa achida zvitupa, kusimbiswa kwemaitiro kana zvinyorwa, zvinodiwa izvozvo zvinofanirwa kusimbiswa zvakananga mutengo usati wasvika. Hazvifanirwe kunyorwa mukopi yekushambadzira.

Kune ese ari maviri mapoka, pokutangira tekinoroji yakafanana: tsanangura musoro wekamera, tambo uye bhodhi guru rekugadzirisa sehurongwa humwe chete. Misiyano inoonekwa mumagwaro, kudzora maitiro uye kutsanangurwa kwechigadzirwa chakapedzwa.

Kamera yeEndoscope yeMagetsi Emagetsi Yakajairika

Mamwe masensa ekamera anobatanidza huwandu hwakawanda hwekugadzirisa mifananidzo uye anotumira serialized stream, nepo mamwe achida rutsigiro rwakawanda kubva kune host. Sensa yakasarudzwa inosarudza power rails, wachi, interface bandwidth, huwandu hwema conductor uye huwandu hwezvikamu zvemunharaunda. Chikwata chekugadzira chinofanira kugamuchira datasheet chaiyo yesensa uye zvirambidzo zvekugadzira reference zvakatenderwa pane kugamuchira resolution yekamera yepamusoro chete.

Magadzirirwo acho anogonawo kusanganisira bhodhi remwenje rakasiyana, bhodhi resensor redistal uye bhodhi reproximal interface. Mumaprobes akamanikana zvikuru, zvikamu zvinogona kugoverwa pamwe chete necircuit inochinjika pane kuti zvinyatsobatanidzwa pamucheto mumwe chete wakasimba. Chikamu ichocho chemagetsi nemechanical chinofanira kuomeswa usati waburitswa mifananidzo yekupedzisira yekugadzira PCB nekuti inosarudza zvakananga nzvimbo dzinochinjika, zvinosimbisa uye zvinotakura zvinhu.

RFQ inobatsira inoratidza kuti ndeapi ma subassemblies anotarisirwa kuvaka Highleap. Kugadzirwa kwe bare flex, kamera-head SMT, cable attachment, main-board assembly uye final optical/mechanical assembly mabasa akasiyana. Kuzvisanganisa pasi pe "turnkey endoscope" pasina madhirowa kunoita kuti mutengo nebasa zvive zvisinganzwisisike.

Kugadzira PCB yeKamera yeEndoscope mudiki

Kuisa zvinhu muchimiro che "miniaturization" hakusi kungoderedza chimiro chebhodhi chete. Sezvo dhayamita yeprobe ichidzikira, chikamu chezvikamu, kuburikidza nedhayamita, nhamba yezvikamu, kukwirira kweconnector uye geometry yesolder-mask zvinotanga kushanda pamwe chete. Marongerwo anokodzera muCAD anogona kusasiya mukana wakakwana wekugadzira wekushandisa routing, assembly kana depanelization.

Saizi yepakeji yechikamu

Mapakeji madiki epasipo uye masensa epitch-pitch anogona kuderedza mafambiro echinhu, asi anowedzera kudiwa kwestencil, kuiswa uye kuongororwa. Mapakeji madiki-diki anofanira kushandiswa pakugadzirisa dhayamita chaiyo kana kukwirira kwete sechiratidzo chekugadzirwa kwepamusoro. Sarudzo dzepakeji hombe dzinogona kuvandudza goho uye kuwanikwa kana nzvimbo yemakanika ichibvumira.

HDI nema microvia

HDI inogona kudiwa kana BGA/WLCSP kana dense sensor escape isingakwanise kufambiswa ne vias. Microvias ne via-in-pad zvinoderedza kuvharika kwenzira, asi zvinowedzera matanho ekugadzira uye zvinoda chimiro che assembly pad chinoenderana. Stack-up inoburitswa inofanira kutsanangura kudzika kwe blind-via, zvinodiwa zvekuzadza/kuvhara uye chero zvivakwa zvakarongwa kana zvakarongwa. Bhodhi rebhodhi harifanirwe kutsanangura izvi panguva ye quotation.

Bhodhi gobvu

Mabhodhi matete akaomarara kana maseketi anochinjika anogona kubatsira kupinda muprobe yakamanikana, asi kuomarara kwemuchina kunoderera kana ukobvu huchidzikira. PCB ingangoda kutsigirwa nehomwe yelenzi kana chinhu chinosimbisa panguva yekubatanidza. Bhodhi rinogadzirwa nemagetsi asi rinokombama panguva yekuisa sensor rinogona kukonzera matambudziko ekugadzirisa optical.

Kubviswa kweConnector

Rigid-flex inogona kubvisa chinongedzo chidiki pakati pekamera iri kure netambo, zvichichengetedza kureba uye kutadza kubata. Kuchinjana uku iPCB yakaoma uye kutsiva zvishoma. Mainjiniya anofanira kuenzanisa huwandu hwese hwekugadzira nekuvimbika, kwete mutengo webhodhi chete.

Dhizaini yeKamera Inochinjika uye Yakagadzikana

Flex PCB inoyevedza mu endoscope nekuti inogona kupfuura nepakati penzvimbo dzakamanikana dzakakombama uku iine ma sensor signals, LED power uye control. Rigid-flex inowedzera nzvimbo dzakagadzikana dzezvikamu pamagumo ekure kana ekuproximal. Hapana tekinoroji inosungirwa; kusarudzwa kunoenderana ne probe mechanics uye huwandu hwekugadzira.

Zvikamu zvacho hazvifanirwe kuiswa munzvimbo yakakombama kunze kwekunge dhizaini yacho yaratidza pachena kuti pane kusvuta. Zviratidzo zvinofanira kuchinja zvakanaka kuburikidza nenzvimbo dzinochinjika, uye kudzika kwemutsipa kamwe kamwe pamiganhu yakachinjika kunofanira kudzivirirwa pazvinogoneka. Mugadziri anogona kupa madonhwe emisodzi, kuchinja chifukidziro kana rutsigiro rwepaneru, asi chero shanduko muprobe yakamanikana inofanira kudzoserwa kuinjiniya nekuti inogona kukanganisa envelopu yemakanika.

Pakusangana, flex inogona kusungirirwa kwenguva pfupi kana kubatwa mu carrier panel. Kugadzira reflow pallet kunonyanya kukosha kana bhodhi riine sensor yemufananidzo inorema kune rimwe divi uye muswe mutete kune rimwe divi. Mushure mekubatanidza, mirairo yekubata inofanira kudzivirira vashandisi kushandisa flex tail sechibatiso pavanenge vachifambisa kana kuongorora musoro wekamera.

Kuchengetedza Kutendeseka kweSignali Kuburikidza neTambo Rerefu reEndoscope

Data remifananidzo rinomhanya zvikuru richifamba nepatambo yakamanikana yeprobe rinosangana nematambudziko akafanana nechero nzira yekutumira: kurerutswa, kudzima kupindirana kweimpedance, crosstalk uye kukanganiswa kwenzira yekudzoka. Dambudziko nderekuti tambo yemakanika inogona kupa rusununguko rushoma pane PCB yakafara. Saka sarudzo yeinterface inofanira kusimbiswa pamusoro pehurefu hwetambo yekugadzira inotarisirwa, kwete chete pabhodhi rekuongorora.

Kuchinja kwePCB kuenda kutambo kunogona kutonga chiteshi

Kubuda kwebhodhi redistal, flex tail, solder joint kana connector, cable uye proximal receiver zvinofanira kuonekwa senzira imwe chete. Mareferensi epasi anofanira kutakurwa kuburikidza nekuchinja nenzira inotarisirwa neinterface. Differential pair iyo yakanyatsorongeka pamaPCB ese ari maviri inogona kuona kusagadzikana kwakanyanya kana connector pinout ikaparadzanisa vaviri vacho kubva munzira dzavo dzekudzoka.

Simba nedata zvinogovana nzira imwe chete yakamanikana yemakanika

Sensor yemufananidzo uye magetsi e LED zvinokonzera kudonha kwemagetsi kuburikidza netambo. Izvi zvinogona kuchinja miganhu yenzvimbo kana kuisa ruzha pasi pesensor. Magadzirirwo anogona kushandisa mutemo wenzvimbo kana maconductor akawanda epasi/simba kudzora izvi. Dhirowa yetambo yekugadzira inofanira kuratidza kugoverwa kweconductor uye kusabvumira tambo yakafanana kuti itsiviwe nedhayamita yekunze chete.

kudzivirirwa

Nhoo inogona kuderedza kupindira kwekunze uye ine camera-link emissions, asi kuguma kwechinhu chikamu chedhizaini. Nhoo yakabatana panzvimbo isiriyo inogona kugadzira nzira dzemagetsi dzisingadiwi. Dhirowa yekubatanidza inofanira kutsanangura kana nhoo yetambo ichibatana nePCB ground, chassis kana imwe reference uye kuti kuguma kwechinhu ichi kunoitwa sei ne mechanically.

Kuedza kwekushanda kunofanira kusanganisira kureba kwetambo yekugadzirwa kwakatarwa kana imwe simulator yechiteshi yakasimbiswa. Tambo pfupi inogona kuvanza matambudziko emuganho anoonekwa chete mushure mekugadzirwa kwekupedzisira kweprobe.

Matambudziko eKuungana kwePCB yeMusoro weKamera

Musoro wekamera iri kure unogona kuva mumwe wePCBA dzine njodzi huru muchigadzirwa nekuti unobatanidza geometry yakanaka, nzvimbo dzinoonekwa uye mukana mudiki wekugadzirisa patsva. Kanganiso kadiki kekusonesa kangave nyore kugadzirisa pabhodhi guru guru kanogona kuita marara mushure mekunge kamera yabatanidzwa muhombe yeprobe.

Mapakeji madiki eSMD uye mapakeji akanaka

Kudhinda nepaste kunoda rutsigiro rwakakwana pasi pebhodhi rakatetepa kana kuti rinochinjika. Dhizaini yekuvhura stencil inofanira kuenzana nezvidimbu zvidiki zvepasi nesensor hombe kana LED pads. Zvifananidzo zvekuisa zvinofanira kuramba zvichionekwa mushure mekuiswa kwepaneru. Kana sensor iri WLCSP kana imwe package yakavanzwa, X-ray inogona kubatsira zvichienderana nechimiro chepedhi uye njodzi.

Kurongeka kwesensa

Kuiswa kweSMT kunoona sensor kana tichienzanisa nePCB fiducials, asi optical axis yekupedzisira inoenderanawo nekushivirira kwebhodhi, chibatiso chelens, housing datums uye namati. Mufananidzo unofanirwa kuratidza kuti ndeapi maPCB edges kana maburi ari mechanical datums kuitira kuti mugadziri azive kuti zvinopfuura miganhu yenzira.

Kuiswa kwe LED

Nzvimbo ye LED yakatenderedza sensor inokanganisa kuenzana kwechiedza. Kana dhizaini ichishandisa ma wavelength akawanda kana ma LED bin akasiyana, BOM nefaira rekuisa zvinofanira kuratidza chikamu chimwe nechimwe nemazvo. LED isiriyo inogona kupenya nekupasa bvunzo yemagetsi asi ichikundikana zvinodiwa ne optical.

Kuchena kwemaziso

Guruva nezvisaririra zviri pedyo nesensa zvinoda zvidzoreso zvekubata. Mirayiridzo yebasa rekamera nemusoro inogona kuda kubviswa kwefirimu rekudzivirira padanho rakati, kuchenesa midziyo yekuchengetera kana kuongororwa pasi pekukwidziridzwa. Izvi zvinodzora zvinofanira kusiyaniswa nekucheneswa kwebhodhi nekuti nzvimbo yakachena nemakemikari inogona kunge iine zvidimbu zvinoonekwa nemaziso.

PCB, Simba uye Kubatanidzwa kweWireless pakugadzira Mifananidzo

PCB yeproximal/main inowanzova nematambudziko ekugadzirwa: application processor kana MCU, memory, display connector, USB, storage, Wi-Fi/BLE uye bhatiri charging. Zvichienderana nevideo bandwidth uye processor package, bhodhi rinogona kuda multilayer controlled-impedance routing, BGA escape kana HDI.

PCB huru inofanirawo kuparadzanisa mashandiro edhijitari nesimba kubva kune kamera iri kuuya. Kuchinja nzvimbo yeregulator, USB transients uye wireless RF zvinogona kuderedza link margin kana kugadzira zvinhu zvinoonekwa. Saka, chimiro chakasimba cheground/reference uye controlled connector escape zvinobatsira kunyangwe sensor yemufananidzo iri kure nepamucheto weprobe.

Bhatiri nekupisa kwekuchaja

Zvishandiso zvinotakurika zvekuratidza zvinogona kudziya panguva yekuchaja kana kugadziriswa kwemifananidzo nguva dzose. Kupisa ikoko kunogona kusakanganisa zvakananga sensor ye distal kuburikidza netambo refu, asi kunogona kushandura mashandiro e processor uye kuvimbika kwe enclosure. Thermal vias, copper spreading uye mechanical conduction zvinofanirwa kutevedzera dhizaini yethermal yakaburitswa.

Mhando dzeFirmware nekamera-sensor

Mamodule ekamera ane resolution imwe chete anogona kushandisa maregister sets akasiyana kana calibration data. Kugadzirwa kunofanirwa kubatanidza sensor BOM chaiyo nemufananidzo wefirmware wakarurama. Kana dhizaini ichitsigira mhando dzakasiyana dzeprobe, fekitori inoda SKU matrix yekubatanidza probe/cable/main-board pane faira rimwe chete reprogram.

Kuyedza, Kusimbisa Maziso uye Miganhu Yekugadzira Inoshandiswa Nekurapa

Kuedzwa kwePCBA kugadzirwa kunogona kusimbisa zvemagetsi usati wasimbisa mudziyo wekupedzisira. Kuongororwa kwakajairika kunosanganisira kutanga kweprosesa, kutaurirana kwesensa, vhidhiyo yemhenyu, kushanda kweLED, kuenderera mberi kwetambo, mabasa ekuratidza/USB/waya uye kuchaja. Chinangwa chekuedza mufananidzo chinogona kuongorora kutarisisa kana kukanganisa kwemufananidzo kana mitemo yekuisa uye kupasa/kukundikana yakatsanangurwa neOEM.

Kuedzwa kwemufananidzo hakusi kutsiva kusimbiswa kwemudziyo wapera

Kutarisa, kugadzirisa, kupenya, kukanganiswa uye ruvara zvinoenderana ne lenzi, imba uye probe yakaunganidzwa. Pamidziyo yekurapa, kuchengetedzeka kwakawedzerwa uye kushanda kwayo kunogona kudiwa nekupatsanurwa kwemidziyo yakakodzera uye musika. Fekitori yePCBA haifanirwe kuratidza mufananidzo uri pachiratidziro sehumbowo hwekutevedzera mitemo yemidziyo yekurapa.

Kuchenesa muviri uye kuenderana kwezvinhu zvirimo ndizvo zvinhu zvinopinda mukugadzirwa kwechigadzirwa

Kana endoscope yekurapa kana chimwe chinhu chakagadzirirwa kuvhiyiwa kana kuchenesa kakawanda, zvinhu zvePCB, manamati, maencapsulants, majaketi etambo uye zvisimbiso zvemaziso zvinogona kudiwa kuti zvirambe zviripo. Zvinodiwa izvozvo zvinofanirwa kubva pakugadzirwa kwakasimbiswa nemugadziri wezvishandiso zvekurapa. Highleap inofanira kugadzirwa zvichienderana nezvinodiwa zviripo pane kuti iwane resipi yepasi rose ye "PCB yemhando yekurapa".

Kuchengetedza

Mapurogiramu anogona kuda kutevedza ruzivo rwePCB, sensor, firmware kana calibration data. Kudzika kunodiwa kunofanira kutaurwa muRFQ nekuti kunokanganisa kunyora mazita, kubata database uye marekodhi ekugadzira. Highleap inogona kungotaura nekushandisa kutevedza kwacho kwakatsanangurwa nehunyanzvi hwepurojekiti.

Kubva paPrototype kusvika pakugadzirwa: Zvekutumira kuMutengesi wePCBA

Zvivakwa zveprototype zvinofanira kusimbisa zvinopfuura mashandiro emagetsi. Chikwata chinofanira kusimbisa dhayamita yeprobe, maitiro ekuchinjika, kurasikirwa netambo, tembiricha ye LED, kurongeka kwemaziso, zvinhu zvemifananidzo, kubata kweassembling uye mukana wekuyedza. Kana musoro wekamera uchigona kubatanidzwa nemaoko chete pasi pemaikorosikopu, izvozvo zvingagamuchirwa kune gumi prototypes asi zvinodhura uye zvisingaenderane nezviuru zvemayuniti.

Kugadzira kwepilot kunofanirwa kushandisa production-intent flex stack-up, cable, sensor, lens interface uye fixture. Iyi ndiyo nhanho yekukiya panelization, carriers, reflow profile, kuchenesa/kubata, programming uye image test. Mapurogiramu ezvishandiso zvekurapa anofanirawo kuve nechokwadi chekuti marekodhi emaitiro anodiwa uye mabasa ekusimbisa anotsanangurwa volume isati yaburitswa.

Pakeji yeRFQ

Pakeji yakazara inobvumira Highleap Electronics kuti itaure mashandiro ePCB/PCBA nemazvo pasina kuvimbisa zvakanyanya dhizaini yemidziyo yakagadzirwa kana masevhisi ekutonga. Kune mapurogiramu emaindasitiri, izvi zvinogona kureva kamera diki PCBA pamwe necontroller huru. Kune mapurogiramu ekurapa anodzorwa, zvinodiwa zvemhando yepamusoro/maitiro zvinogona kuongororwa chete kana mutengi azvipa.

Chinangwa chekugadzira ndechekuchengetedza chimiro chekamera-musoro chakaburitswa, nzira yekufambisa/kuchinjika kwetambo, kuchena kwemaziso, BOM uye bvunzo yekugadzira sezvo chirongwa ichi chichiwedzera. Ndiyo nzira inoshanda kubva pamuenzaniso mudiki unoshanda kusvika pakubatanidzwa kwePCB yekamera ye endoscope inodzokororwa.

Mibvunzo Inonyanya Kubvunzwa

Zvinodiwa pakugadzira zvinofanirwa kusimbiswa zvichienderana nemafaira ekugadzira akaburitswa, zvirevo zvevagadziri vezvikamu uye zvinodiwa zvekusimbisa kana zvemitemo zvechigadzirwa chekupedzisira.