Iyi mibvunzo gumi haisi nzira yakakwana yezvikwaniriso - kuongororwa kwakakwana kunobata zvakawanda - asi ndiyo mibvunzo yakasandura zvakabuda muruzivo rwangu, pamwe nekuti mhinduro yakanaka yakatipa kusatya kuenderera mberi kana kuti mhinduro isina kusimba yakatidzosera kurondedzero.
1. Ndeupi hwaro zvinhu zvaunoshandisa papogo pin yekubata padsubstrate, uye unogona kundiratidza EDS yekugadzira data kubva kune ichangoburwa yekugadzira yakawanda?
Mhinduro inotarisirwa ndeye beryllium mhangura - kunyanya C17200, ine beryllium iri pakati pe1.8% ne2.0% nehuremu. BeCu inopa musanganiswa wakakodzera wekuitisa (22% IACS), kuomarara (HV 380–420 yakaomeswa), uye kusimba kwechirimo kwepamusoro-kutenderera kwepamusoro{{9}ikozvino pogo pin pad application. Phosphor bronze (C51000) iimwe nzira iri pamutemo kune yakaderera{12}magadzirirwo azvino, kusvika angangoita 8A, uye zviri nyore kuongorora muChina's supply chain.
Chikonzero chekubvunza dhata reEDS chaizvo ndechekuti BeCu zvinhu zvekuteedzera mumusika weChina hazvienderane. Zvinhu zvinotengeswa seC17200 dzimwe nguva hazvisi - mhangura{3}}chromium{4}}zirconium kana titanium{5}}masanganiswa emhangura anoita seakafanana, ane mafambisirwo akafanana, asi haazvibate nenzira imwechete pasi pesimba rinoramba riripo repamusoro-cycle application pogo pini. Uku hakusi kubiridzira kwehunhu nguva dzose; kukwidziridzwa kwepamusoro kunoitika, uye vagadziri vadiki vekubatanidza havagare vaine iyo inouya yekuongorora masisitimu kuti vavabate. Asi "isu tinoshandisa beryllium mhangura" pasina kuumbwa data kwakafanana ne "tivimbei," uye handizvo izvo zvinodiwa.
Bvunza mishumo yeEDS kubva mujenya iyo yaizokupa odha yako, kwete kubva munhoroondo sampuli. Kana mugadziri asina zveEDS mumba,-vanofanira kukwanisa kuzvironga kuburikidza-nebato rechitatu, uye mutengo (ungaita RMB 300–800 pamushumo wega wega kuChina) une mwero maererano nezvinoitwa kukundikana kwemunda.
2. Unoyera sei ukobvu hweplating - XRF chete, kana SEM kuyambuka-chikamu zvakare?
XRF (X-ray fluorescence) inokurumidza,-haiparadzi, uye yakajairwa kubuda QC nzira yekuisa ukobvu mumafekitori akawanda anokonesa. Pamatanho egoridhe pazasi angangoita 1μm, zvisinei, kuyerwa kunodhonzwa kumusoro neiyo substrate chiratidzo. Mhedzisiro yacho ndeyekuti XRF yakarongeka inorekodha yakaonda goridhe plating. Takayera pogo pin pad samples akauya nezvitupa zveXRF zvinoratidza 1.0μm goridhe tikawana ukobvu chaihwo hwe0.37–0.54μm pasi peSEM cross-chikamu. Kune pogo pini pad yakanangana nemakumi mana emazana ekukwirana, iwo musiyano unokosha.
SEM muchinjiko-sec
tion inoparadza - unopira sampuli imwe pamuchinjikwa-chikamu - asi ndiyo chete nzira yakavimbika yekuyera nayo simbi yakatetepa nemazvo, simbisa nickel underlayer wakazvimirira, uye nemaziso kusimbisa kunamira pakati pema layer. Mugadziri anoita SEM muchinjiko-chikamu chekutarisa pamijenya yekugadzira (kwete kamwe chete pakukodzera) ari kushandisa maitiro akaomarara.
Mubvunzo wekubvunza hausi wekuti "unoita SEM?" Iko "ungandiratidza SEM cross-data rechikamu kubva muboka rekugadzira mumwedzi mitatu yapfuura?" Qualification-sample data kubva mwedzi 18 yapfuura inokuudza kuti chirongwa ichi chaigona kuitwa sei kana mumwe munhu aiteerera. Kugadzirwa-data rebatch rinokuudza zviri kuitika muchigadzirwa.
3 & 4. Ndeipi yako yakajairika nickel underlayer gobvu - uye yePdNi plating, iwe unoongorora sei iyo Pd:Ni bath ratio?
Ndiri kubatanidza izvi nekuti ndiyo mibvunzo ingadai yakabata matambudziko ese ari maviri enyaya yaTaipei yandambotaura pakutanga.
Pane iyo nickel underlayer: Iyo Ni layer inogara pakati pemhangura alloy substrate uye inoshanda pamusoro pejasi. Mabasa ayo maviri ari kuvharira mhangura uye zingi kubva mukupisa kwekushisa kusvika muplating nekufamba kwenguva, uye nekupa yakaomesesa tsigiro tsigiro inodzosera iyo yakapfava goridhe kana PdNi pamusoro. Kune yakakwirira{{2}ikozvino pogo pin pad applications, 2–5μm ndiyo yakafanira. Pazasi 2μm, hausi kuwana yakavimbika diffusion chipingamupinyi kuita; pamusoro pe5μm, unoisa panjodzi yekunamatira matambudziko uye brittleness.
Vamwe vagadziri vanodzvanya kutevedzana kweplating pamutengo - dzimwe nguva vachibvisa nickel underlayer zvachose. Iyo yekutadza modhi yakanangana: yekubata kuramba yakagadzikana pakutanga kwehupenyu, yobva yadonha kamwe kamwe apo zinc oxide kubva kune yendarira substrate inowedzera zvakakwana kusimudza plating kubva pasi. Isu takaona izvi zvichiitika pa6,000–8,000 cycles mune zviitiko apo pogo pin pad yaitarisirwa kusvika zviuru makumi mashanu.
PaPdNi yekutarisa yekugezesa: Iyo yakanangwa kuumbwa ndeye 80% palladium / 20% nickel nehuremu (dzimwe nguva inonyorwa 80/20 Pd: Ni). Kana nickel yakwira pamusoro - yakananga ku30% kana 40% - kuoma kunodonha zvakanyanya, uye kuramba kwealloy pakusvibiswa kwemhute inoshanduka. Vagadziri vari kushandisa sampuli yakaoma uye vanoongorora bhati yekunyura nguva nenguva panguva yekugadzira, kazhinji zuva nezuva kana{10}}pamwe chete. Bvunza kuti uone bhati rekuumbwa kwegiyo kubva kune ichangoburwa yakawanda. "Tinotarisa kugeza" hazvina kufanana ne "heino control chart."
5. Iwe unoyedza fretting corrosion zvakasiyana kubva kune yako yakajairwa mating cycle endurance test?
Uyu ndiwo mubvunzo uyo, kupfuura chero ipi zvayo pane iyi runyorwa, inosiyanisa vagadziri vanonyatsonzwisisa pogo pini yekutadza modes kubva kune avo vari kutora IEC 60512-9-1 kutenderera kuverengeka vasingazive izvo izvo bvunzo dzinoita uye dzisingavhare.
Standard mating cycle endurance test - nhamba inotungamirwa nevagadziri vakawanda - inoshandisa mate/unmate cycles under controlled, vibration{{2}free conditions. Iyo inoyera kana iyo pogo pin yekubatanidza uye pogo pin pad inopona yakadzokororwa mechaniki kuita. Izvo zvazvisingatevedzere ndizvo zvinoitika kana gungano riri musevhisi uye riri pasi pekuzunguzika kweambient kubva kumichina iri padyo, kufamba kwemotokari, kana kunyange kupisa bhasikoro izvo zvinogadzira oscillatory kusagadzikana pane yekubata interface.
Kana iyo interface ikaita oscillatory motion ine diki amplitude - kazhinji 1 kusvika 100μm, iyo isingaonekwe pasina chiridzwa - fretting corrosion inogona kuitika. Ongororo yaAntler muna 1985 muIEEE Transactions² inoramba iri kurapa kwekutanga: kadikidiki kanotsvedza kanopwanya firimu reoxide panzvimbo inosanganisirwa, inoburitsa simbi nyowani inokurumidza-inobvisa oxidize, uye inoteya mhedzisiro inoisa oxide tsvina munzvimbo yekuonana nekuti inotamisa idiki kuti iite. Kubata kuramba kunokwira, kazhinji kukwira, nepo plating ichitaridzika seyakajeka. Siginicha yemarara - yakatsvuka{10}hupfu yakashava panzvimbo yaunosangana nayo - haiwanzo zivikanwa setsvina uye inocheneswa pasina kugadzirisa.
Kune chero pogo pini yekuchaja system yakamisikidzwa mumotokari, pane inozunguzika yekugadzira pasi, kana mune chero mudziyo une ruzha rwakakura rwemuchina, corrosion inokonzeresa ingangoita yekutadza kupfuura kupfeka kwakawanda kweplating. Bvunza mugadziri kana vakamhanyisa kuvhiyiwa kwakasanganiswa pamwe nekuyedzwa kwekutsungirira, maererano neIEC 60512-6-1 yechikamu chekuzunguza. Bvunza kuti ndeupi hunhu hwekuramba kubata wavakaona. Kana vasati vaita bvunzo iyi, zvinobatsira kuti uzive izvozvo - ungangoda kuironga wakazvimirira, kana kuiisa mumatsananguriro aunoita maitiro ekugamuchira.
6. Ndeipi simba rekubata rinounzwa nepogo pini yako yekubatanidza, uye chii chinomanikidza kuchengetedza chinoratidzika senge mushure mehupenyu hwakayerwa?
Hafu yekutanga yemubvunzo uyu vazhinji vanogadzira vanogona kupindura. Chikamu chechipiri ndipo paunodzidza chimwe chinhu.
Zvitubu kuneta. Pogo pin yekubatanidza inoburitsa 2.0N pakutanga kwehupenyu inogona kunge iri pa1.5N mushure memakumi masere ezviuru ekusangana, uye 1.5N mukuisirwa uko simba rekusangana raive muganho.
al kutanga nayo inogona kukwana kukusundidzira munzvimbo inoshungurudza corrosion panguva yechiitiko chinotevera chekuzunguza. Bvunza kuti data rekuchengetedza simba rinotaridzika sei pakupera kwehupenyu hwakayerwa mushumo yavo yekutsungirira bvunzo. Chikumbaridzo chinonzwisisika cheindasitiri pogo pini yekubatanidza maapplication ndeye 85% yekumanikidza kuchengetedza mushure mekupedza yakayerwa kutenderera kuverenga.
Pamashandisirwo epamusoro{{0}azvino ari muchikamu che5–15A, simba rekubata re1.5–2.5N ibasa rinonzwisisika. Pazasi pacho, uri panjodzi yekusagadzikana yekubata kuramba; zvakanyanya pamusoro pe 2.5N, iwe unomhanyisa mechanical kupfeka pane pogo pin pad pamusoro. Nhamba yakakodzera yechishandiso chako inoenderana nekuomarara kwepad plating uye mating geometry, uye mugadziri anogona kutaura newe kuburikidza nehukama ihwohwo - pane kungotaura kukosha kwepepa - akaiswa nani kuti akubatsire kuiwana.
7. Ko pogo pini yako inoita sei munzvimbo dzine organic solvent vapors?
Vazhinji vagadziri havaunze izvi, saka unofanirwa kudaro. Inoshanda chaizvo kuPdNi-yakapfava pogo pin pads, uye ine basa munzvimbo ipi neipi yekugadzira umo organic chemistry iripo - zvinonamira, zvinonyungudutsa zvinonyungudutsa, conformal coating overspray, mold release agents.
Iyo meshini: palladium inokonzeresa yeoxidative polymerization yeorganic compounds. Panzvimbo yekusangana tembiricha inogadzirwa nekukweshana panguva yekusangana kwepogo pini, Pd iri pamusoro peplating inogona kuita polymeriza organic mhute kuita firimu rakatetepa, remagetsi rinodzivirira brown. Izvi zvakatanga kunyorwa zvakarongeka mumotokari yekubatanidza maapplication muma1980s, uye inozivikanwa muindasitiri se "polymeric fume film" kana kungoti "brown powder." Iyo firimu haina kunyungudika muyakajairwa yekuchenesa zvinonyungudutsa, uye kubata kuramba mushure mekuumbwa kwayo kunogona kudarika 500mΩ kunyangwe iyo yepasi PdNi plating iri mushina.
Mushonga ijasi regoridhe rakapenya - rinowanzoita 0.05–0.1μm regoridhe rinoiswa pamusoro pePdNi layer. Izvi zvinovhara iyo yakafumurwa palladium uye inobvisa iyo inokonzeresa pamusoro uchisiya PdNi kubata iyo mechaniki kupfeka (iyo goridhe rakatetepa rinopfeka nekukurumidza pasi pesimba rekusangana, asi dambudziko rekugadzirisa ratoenda). Mamiriro chaiwo ndee "PdNi + Flash Au," uye mugadziri anoziva nyaya iyi achataura nezvegoridhe rinopenya risina kukurudzirwa paunobvunza nezve organic vapor nharaunda. Mumwe asingazvizive achakupa PdNi isina chinhu uye ingangoita dambudziko remunda.
Chiziviso chimwe chete chinoshanda: kana iwe uri munharaunda ine zvakakosha, isa "PdNi + Flash Au" zvakajeka mune yako pogo pin pad zvinhu zvakatemwa pane kuvimba nemugadziri kuti azvifungidzire. Isu takaona zviitiko apo mutengesi akatumira asina PdNi nekuti yekutenga odha yaiti "PdNi plating" uye ndizvo zvavaive nazvo mustock.
8. Nezve pogo pin kuchaja maapplications, ndeipi yazvino derating yaunokurudzira sezvo tembiricha ikawedzera?
Uyu mubvunzo mupfupi, asi muyedzo une musoro wekuti mugadziri ane hudzamu chaihwo hweinjiniya hwekushandisa kana kungotaura kwechikamu.
Fizikisi yakakodzera: kuonana nekuramba papogo pin pad interface inowedzera pamwe netembiricha nekuti oxidation rates inokwira uye kubata-kuumba asperities kunopfava zvishoma, kuchichinja nzvimbo chaiyo yekusangana. Panguva imwecheteyo, BeCu spring goho simba rinodonha patembiricha yakakwirira - ingangoita 5–8% pa25 dhigirii pamusoro pe ambient - izvo zvinoreva kubata simba (uye nokudaro nzvimbo yekubata uye kupikisa kubata) inodonhawo sezvo tembiricha inokwira. Mamiriro ese ari maviri: tembiricha yepamusoro → yakanyanya kuramba → yakawanda I²R kudziyisa → ichiri tembiricha yakakwira.
Murau wakakasharara asi unobatsira weBeCu{0}}spring pogo pin connectors mupogo mapini ekuchajisa magadzirirwo ndeekuti: ronga zvekudzikiswa kwazvino ne10–15% pa25℃ye ambient tembiricha inokwira pamusoro pe25℃rating point. Saka chinobatanidza chine chiyero che 10A pa 25 dhigirii chinofanirwa kubatwa senge 8.5-9A pa50℃ambient, uye 7-7.5A pa75 degree. Aya ndiwo ekutanga efungidziro; Kudzikira chaiko kunoenderana neyakagadzirirwa dhizaini, iyo yekubata geometry, uye plating. Bvunza vagadziri nezve data ravo - zvine mwero wakayerwa kupikisa kana tembiricha curve kune yavo chaiyo yekubatanidza, kwete mutemo wakajairika.
Bvunzawo nezve pogo pin pad PCB footprint: copper trace cross-chikamu chakakosha pano. Isu tinokurudzira kugadzira density iripo pazasi 5 A/mm² mumhangura inodyisa pogo pin pad, iyo inochengetedza iyo pad interface kubva pakuita bhodhoro rinopisa.
9. Unogona here kupa SEM muchinjiko-data rechikamu kubva muboka rekugadzira, kwete sampuro yekukodzera?
Mubvunzo uyu wakabuda patani yatakaona: yakanakisa-data rinotaridzika zvakanaka rinowanzobva kumasamples akagadzirwa zvine hungwaru - dzimwe nguva nemainjiniya makuru, dzimwe nguva kubva kune akanakisa anowanikwa awhizha, dzimwe nguva neinononoka kugadzira pane iyo fekitori inoshanda. Kugadzirwa-mabatch samples anogadzirwa pasi pemamiriro chaiwo.
Chinhu chinonyanya kukosha chaunogona kuratidzwa nemugadziri apa iSEM mchinjika-data rechikamu kubva kune angangoita maviri kana matatu ekugadzira akawanda, anofukidza
mwedzi yakati wandei. Zvauri kutarisa: plating ukobvu kuenderana (kusiyana, kwete avhareji), kuvimbika kwekuona kweiyo nickel underlayer, uye kuchena kwenzvimbo dzepakati pakati pematanho. Kana iyo yepasi pasi muzvikamu zvipfumbamwe-sample seti (mijenya mitatu, mitatu yakayambuka-zvikamu chimwe nechimwe) ichiri kuenderana nezvauri kuda, une humbowo hune hunyanzvi hwekutonga kwemaitiro. Kana zvikasadaro, unoziva usati wazvipira kugadzira.
Basa rechitatu-seSEM rebato rinoda mari ingangosvika madhora zana nemakumi mashanu–400 pasample kumalebhu ane mukurumbira muShenzhen kana kuHong Kong, zvishoma pane dzimwe nzvimbo dzekuedza yunivhesiti. Kana mutengesi akati haana SEM kugona uye haagone kuzvironga, izvo zvinoita kuti uve nechivimbo chakawanda sei mune yavo yemhando data zvakazara.
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Mubvunzo wechitupa wese mugadziri anowana, asi nemazvo anoshandura zvaunodzidza.
Musiyano uripo pakati pe "tiri ISO 9001 certified" (iyo isingakuudze chero chinhu nezve kuita kwechigadzirwa) uye "heino yakazara yechitatu-bato IEC 60512-9-1 endurance test report kubva kuSGS, yakaitwa muna 2024, ichiratidza kupikisa kuyerwa paIEC 60512-2,00,00,01,00,01,01,01,01,0 uye 100,000 cycles" yakakura. Mhinduro yechipiri inonyepa. Unogona kuverenga iyo data. Iwe unogona kuona maitiro ekuyera. Unogona kutarisa kana bvunzo yakaitwa pane imwechete yekubatanidza geometry yauri kuronga kushandisa.
Kune pogo pin yekubatanidza uye pogo pin pad qualification, iyo shoma bvunzo repoti pasuru yakakodzera kubvunza:
IEC 60512-9-1: Mate/unmate kutsungirira - tarisa kutenderera kuverenga kwapera, kuonana kuramba kuyerwa paIEC 60512-2-1 panguva dzakawanda, uye kana chirevo chinotsanangura simba rekubata uye kupukuta chinhambwe chinoshandiswa.
IEC 60512-2-1: Millivolt-level kuonana kuramba - izvi zvinofanirwa kutaurwa mune chero chirevo chekutsungirira; kana mugadziri akayera kubata kuramba neimwe nzira, bvunza kuti sei
IEC 60512 - 6-1: Sinusoidal vibration - yakakosha kune pogo pini yekuchaja kumisikidzwa nechero nharaunda vibration kuratidzwa.
Kana chikumbiro chiri chekurapa, bvunzawo ISO 10993 biocompatibility zvinyorwa zvinovhara chero zvinhu zvinogona kubata varwere kana mvura yemumuviri.
Wechitatu-kuyedzwa kwevafakazi (SGS, Bureau Veritas, TÜV Rheinland, EUROLAB) inodhura kupfuura-yekuongorora imba - yakazara IEC 60512{-9{11}}1 kumhanya kusvika ku100,000 mapeji nevechitatu- $1,020b uye kazhinji scope - asi inotakura zvakanyanya huremu mune yeanopa qualification mamiriro. Kana mugadziri achingopa yemukati bvunzo data, ndiyo ine njodzi yekuyera, kwete otomatiki kurambidzwa.
Zano rimwe rinoshanda: kana ukaona-chitupa chepeji rimwe chete chine nhamba yakadhindwa pachiri asi pasina data rebvunzo, bvunza rondedzero yebvunzo iripo. Chirevo chechokwadi chekuyedza chinosanganisira mareferensi ekuyera emidziyo yekuyera, mamiriro ezvakatipoteredza panguva yekuyedzwa, uye iwo chaiwo akayerwa kukosha panguva yega yega bvunzo. Kana izvo zvinyorwa zvisipo, chitupa hachikuudze zvakawanda.
Kuita Kufona
Iyi mibvunzo gumi haisi kuzomhanya yega. Vamwe vagadziri vanozopa mhinduro dzakanaka kumubvunzo wega wega uye havasati vari ivo vakakodzera nguva yako kana vhoriyamu yekuraira. Vamwe vanozonetsekana pane maviri kana matatu uye vachiri kukodzera kukodzera nekuti nyaya dzacho dzinogadziriswa uye vanotendeseka nezvazvo.
Izvo zvandinonyatsoteerera kune zvishoma nezvemhinduro dzakananga uye zvimwe nezve pateni. Mugadziri anoti "tine XRF chete mumba, asi isu tinogona kuronga SEM kune yechitatu-yebato lab pakukumbira, uye hezvino maitiro iwayo" arikupa ruzivo rwakatendeseka, rwakananga, runogona kuitwa. Mugadziri anoti "hongu, zvamazvirokwazvo, tinoita zvese izvo" kumubvunzo wega wega uye zvino zvinotora vhiki kugadzira gwaro rimwe chete redata ari kukuudza chimwe chinhu chakasiyana - kwete hazvo kuti havagone, asi kuti mukaha uripo pakati pekugona kwavo nekutengesa kwavo nhanho yakakura zvekuti zvine basa.
Mubvunzo wekushungurudza corrosion (Q5) ndewe, mune yangu ruzivo, iyo imwe chete yakanakisa proxy yekudzika kwehunyanzvi hwese. Haisi mubvunzo wakapfava, haina mhinduro iri nyore, uye mugadziri anogona kufamba newe kuburikidza nekuedza kwavo uye zvavakaona - zvinosanganisira kusava nechokwadi uye zvisingakwanisi - nguva dzose ane hudzamu hweinjiniya huri nani pane anokupa nhamba yekuenzanisa uye anofunga mubvunzo wapindurwa.
FAQ
- Ndisati ndamhanya nerondedzero iyi, ndinodzikisira sei iyopogo pin vagadzirizvinotofanira kubvunza?
Tumirai peji imwe-peji yemibvunzo yehunyanzvi kune yako pfupi pfupi - vagadziri vana kana vashanu - ine mibvunzo 1, 2, uye 5 kubva muchinyorwa chino. Iwe hausi kutsvaga mhinduro dzakakwana; uri kutsvaga anobata zvine hudzamu nemibvunzo yehunyanzvi maringe neanotumira zvakare katalogi uye bepa remitengo. Iyo inosefa nekukasira. Mumusika weChina wepogo pini yekubatanidza, mutsara uripo pakati pemugadziri anomhanyisa magadzirirwo echokwadi uye anomhanyisa tambo yeplating ine ishoma QC yakakura, uye masaini ekunze (webhusaiti yemhando, ISO chitupa, yemuviri fekitori saizi) haavimbike ekufanotaura kwepanowira kambani.
- Ko pogo pini yekubatanidza uye pogo pin padhi inofanira kubva kumutengesi mumwechete here?
Zvakanaka hongu, uye hechino chikonzero chinoshanda: hunhu hwekupfeka pane yekubata interface zvinoenderana nekudyidzana pakati peiyo plunger geometry, iyo yekubata simba, uye pad plating - kwete pane chero cheizvi zvinhu chete. Kana mativi ese ari maviri echiratidziro achibva kumugadziri mumwe chete, akave akaratidzirwa pamwechete, uye basa rekuita kweinterface rakajeka. Pamunopatsanura-kwakabva, munopinda panguva yekuti, kana chimwe chinhu chisina kumira zvakanaka, mutengesi wega wega anogona kunongedza mumwe. Izvo zvinoshungurudza muchikamu chekusimudzira uye zvinetswa zvechokwadi mumamiriro ekugadzirwa kwemhando. Kupatsanura-kutsvagisa kunogona kushanda kana iwe uchijekesa kune vese vatengesi nezve mamiriro ekutsvaga uye iwe unoyedza musanganiswa chaiwo, kwete zvikamu zvacho zvega.
- Ndeipi nguva yechokwadi yekukodzera tsika pogo pin pad kubva kumutengesi mutsva?
Pakadhi pogo pin pad ine{{0}zvazvino uno uye chinangwa chemakumi mashanu,{2}} macycle ekusangana anoda wechitatu-kuongororwa kutsungirira, bhajeti mavhiki 14-20 kubva pakukumbira kwekutanga kusvika pakuvharwa. Iyo inomanikidza ndeyeyedzo yedenderedzwa: kumhanya zviuru zana zvekukwirana pachiyero chakadzorwa kunotora nguva. Vamwe vagadziri vanopa bvunzo dzechimbichimbi, asi maprotocol anochimbidza anofanirwa kusimbiswa maererano{10}}nenzira dzepasi rose dzekufoira - takaona nguva dzakamisikidzwa dzichigadzira zvikamu "zvakakodzera" izvo zvakundikana pasi pemamiriro ekudengenyeka kwenyika asina kuvharwa nebvunzo inokurumidza. Kana chirongwa chako chechigadzirwa chichida 6-vhiki yekufanirwa, buda pachena nechikwata chako nezve zvauri kugamuchira maererano nekuvharwa kwebvunzo.
- Mangani epogo pin pad samples wandinofanira kukumbira kuti ndiwane bvunzo?
Izvo zvinoenderana nechirongwa chako chekuyedza, asi chakaomarara pekutangira: zvidimbu makumi mashanu zvishoma kubva pakugadzira mhanya uchishandisa imwechete yekugezesa yekugezera, substrate yakawanda, uye maitiro ekugadzirisa sevhoriyamu odha. Kana uri kuedza zvinoparadza - SEM yambuka-zvikamu, munyu wakapfapfaidza, kutsungirira - nhamba inokwira. Izwi rakakosha ndere "kumhanya kwekugadzira": sampuli dzemhando dzakavakwa nemaoko mudhipatimendi reinjiniya yefekitori yekubatanidza imhuka yakasiyana kubva kune zvikamu zvakagadzirwa pamutsetse wekugadzira. Rondedzera izvi zvakajeka muchikumbiro chako chemuenzaniso, uye bvunza mugadziri kuti asimbise mamiriro api masampuli akaitwa pasi pawo. Kana vakasundidzira kumashure, izvo zvakakosha kucherechedza.
- Ndinogona here kutsanangura BeCu substrate yepogo pin pad yangu uye ndichiri kuda kutevedzera RoHS?
Ehe. Zvirambidzo zveRoHS zvinoshanda kuzvinhu zvitanhatu zvakanangana: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, uye polybrominated diphenyl ethers. Beryllium haisi pane iyo rondedzero. Pogo pin pad ine BeCu substrate uye lead-yemahara plating system inoenderana zvizere neRoHS. Kushushikana kwehutano hwebasa pamusoro pe beryllium - kunyanya pamusoro pemhepo yeberyllium huruva panguva yekugadzira nekubata - ndeyechokwadi, asi inyaya yekuchengetedzwa kwekugadzira, kwete nyaya yekuteerera chigadzirwa. Kana iwe uchibvunza nezve beryllium nekuda kwezvikonzero zveRoHS, mhinduro pfupi ndeyekuti BeCu yakanaka. Kana iwe uchibvunza nekuti kontrakiti yemutengi inotsanangura "hapana beryllium," iwo mubvunzo wakasiyana uye iwe unozofanirwa kuona zvavanoreva chaizvo.
- Tinoda IP67 pane yedu pogo pini yekuchaja dock. Rondedzero iyi inoshanduka here?
Zvimwe zvinowedzera, pane kuchinja. Kune isingapinde mvura pogo pin connector systems, pogo pin pad edge chisimbiso chakakodzera kutariswa zvakanyanya - mvura inopinda nepakati pepedhi uye inofamba nepasi peplating inonetsa kugadzira pane mvura inobata nzvimbo yekuisa yakananga. Iyo IP67 bvunzo inobvumira kupindira kwemvura pasi pemamiriro akajairwa, asi haikuudzi nezvekudzikira kwechisimbiso nekufamba kwenguva kana pasi pemabhasikoro ekupisa. Bvunza mugadziri wacho kuti pogo pin pad-ku-PCB interface yakavharwa sei, kwete chete kuti konikisheni yakakunda IP test.
Pazvishandiso: zvekunze kana zvemugungwa mapini ekuchaja ane munyu wakakura-kuiswa mupfapfaidzo, beryllium copper inofanirwa kuongororwa zvakare. BeCu inogona kugadzira stress corrosion cracking munzvimbo dzakakwirira-chloride. Phosphor bronze kana titanium-maaloyi emhangura anobata zvakatipoteredza zvakavimbika. Kumbira munyu-spray test data (IEC 60512-11-7 kana ASTM B117) senzvimbo yakaparadzana kubva paIP certification - vari kuyedza zvinhu zvakasiyana.
Chinyorwa usati wasvika
Ndiri kufara kupindura-mibvunzo inotevera pane ipi zvayo yeizvi - uye ndafarawo kupindura mibvunzo iyi tichipikisana nezvigadzirwa zvedu nedata kana uri kutiongorora. Kana iwe uri padanho rekuenzanisa pogo pin pad samples kubva kune vakawanda vatengesi, our engineering lab inogona kuita SEM cross-section analysis uye IEC 60512-2-1 kuonana kuramba kuyerwa pamasampuli anouya pasina muripo kumapurojekiti ane hunyanzvi. Nditumireiwo chaiwo ndikuudze kana zvine musoro.
