kacheche frit bandh

kacheche souldering kinwa seal kacheche bandhan mhanoon dekhil olakhale jaanare kacheche frit bandhan, madhyavarti kachechya tharasah wafer bandh tantrache varnan karate. prushthbhagavaril sookshm-yantrachya sanrachanansathi heey mothya pramanat vaparale jaanare aavaran tantradnyan aahe, udaa.jee., pravegak kinwa gairscope. heey tantra qamee qamee kachecha ('kachecha soulder') vapar karate aanee tyamule tapmanat vaadh hott asatana kachechi chikatpana qamee hote yasah vividh fayade pradan karate. kachechya chikat pravahache prushthbhagachya aniyamitatechi bharpai aanee samtol sadhanyache parinam hotat, jeey plazma korivkamamule kinwa sathavnamule uchch khadbaditpana asalelya bandh vefarsasathi soyiche asatat. qamee chikatpana sanrachit aakaranchya changlya rupantaravar aadharit sanrachananchya hermatically seelband aavaranala protsahan deto. pudhe, kachechya samgrichya aushnik vistaracha (see. tii. eae.) gunank siliconshi julavun ghetala jaato. yamule bandhit wafer jodimadhye qamee taana yeto. kachecha pravah aanee souldard prushthbhag tapmanapeksha khoop khalee ole karave lagatat, jethe jodalelya samagripaiki eka kinwa jawalchya sanrachanechi vikrutee kinwa kinwa hoto (udaa.jee., chips kinwa syremic substrateswar dhatukaran thurr) udbhavtat. vahane aanee ole hone sadhya karnyache nehamiche tapman yaa darmyan asate.
kachechya frit bandhanacha vapar anek prushthbhagavaril samagrisathi keela jaau shakato, udaa.jee., hydrophobic aanee hydrophilic prushthbhagasaha silicon, silicon dioxide, silicon nitride, aluminium, titanium kinwa kaach, joparyant cte samaan shreneet aahe. yaa bandh prakriya mule dhatuchya feedthruchi jaaniv houn tee hermatically seelband pokalitil sakriy sanrachananshi sampark sadhu shakate. prakriya tapmanat galatiche pravah rokhanyasathi astarak samagri mhanoon kachechya fritla atirikt nishkriyatechi aavashyakta nasate.
prakriya prakriya karnyasathi prushthbhagavar kachechi pest jamaa kelyane suru hote. tyanantar tee garam karoon tyat samavisht padarth jaalale jaatat aanee kachecha thurr tayar karnyasathi tee petavali jaate. bandh prakriya cinter kelelya kachechi ichchit sthiteet punarrachana karate. shevati, punha tayar kelela kaach thund keela jaato.
kachechya frit bandhanacha vapar prushthbhagavaril sookshm-yantrachya sanvedakanna samavisht karnyasathi keela jaato, i.eae. gyroscope aanee accelerometer. itar anuprayog mhanje paripoorn daab sanvedak pokali seal karane, optical khidakya basavane aanee aushnik sakriy upkarananchi capping.
prakriya.
jamaa karane.
kachechya frit bandh prakriyecha vapar ghatakanchya aavaran aanee aarohanasathi keela jaato. kachechya frit tharanche aavaran 5 teey 30 microne meater jadisathi firki aavarnadvare kinwa samanyatah 10 teey 30 microne meater jadisathi screen printingdware lavale jaate.
samanyatah vaparali jaanari jamaa karanyachi paddhat mhanoon screen printing, kachechya frit samagrisathi sanrachaneche tantra pradan karate. yaa paddhaticha fayda konatyahi atirikt prakriyeshivay sanrachit topichya weferswar samagri jamaa karnyacha aahe, mhanje.eae. photolithography.
screen printingmule nivadak bandh honyachi shakyata nirman hote. tyamule keval jyaa bhagat bandh aavashyak aahet, tethe kachechi falee jamaa kelee jaate.
screen printing prakriyeche optimization karoon sanrachananmadhye kachechya fritcha dhoka rokhala jaau shakato. uchch sthitichya achukatekhali, kiman 100 microne meterchya antarasah 190 microne meterchya shrenitil sanrachananche aakar sadhya karata yetat. achook bandh sunishchit karnyasathi screen print sanrachanechi cap weferwar achook sthitee aavashyak aahe. bandhalelya rachana, mudrit prushthbhagachya aadratevar avalambun asatat, jyaa rachana kelelya padadyapeksha 10 teey 20 takke rund asatat.
kachechi jaadi eksaman vhavi yasathi serve sanrachananchi rundi samaan asavi. mudrit kachechi uchch patali sumare 30 micronometer aahe aanee bandh jhalyanantar bandhit vefarsmadhye 5 teey 10 micronometerche antar pradan karate (cross sectional same pratimanchya tulanet). bandhanchya adhik takdila chalana denyasathi bandh prushthbhag sakriy karane aavashyak nahee.
thermal conditioning.
mudrit kachechya frit sanrachana ghatt kachesathi garam kelya jaatat. dravak aanee bandhak baher kadhanyasathi garam karanyachi prakriya aavashyak aahe. yacha parinam kachechya choornamadhye nantar kananche mishran hoto. yantrik daab vaparoon wafers uchch tapmanat bandhale jaatat.
aushnik anukulan kachechya pasteche kachechya tharat rupantar karate aanee kachechya frit tharatil riktata talhanyasathi mahatvache aahe. anukulan prakriyet khaleel goshtincha samavesh hotoh
prarambhik tappyat, dravkancha antarvahatun prasar karnyasathi, 100 teey 120°seey. varr 5 teey 7 minite korade karane samavisht aahe. yamule sendriya bandhaniche polymerisation suru hote. bandhaniche renu lamb sakhali polymershy jodalele asatat jeey pestla ghatt karatat.
kachechya pasteche sendriya bandhaniche kavach eka vishisht tapmanaparyant (325 teey 350°seey.) garam karoon jaalave lagate, jethe kacheche 10 teey 20 minite purnapane vitalane shakya nasate. heey tathakathit glazing sendriya padarthanche bahya vayoo utsarjan sunishchit karate.
pudhe, vitalanyapurvichi kinwa seal karanyachi payari 5 teey 10 minitansathi samagreela prakriyechya tapmanat, 410 teey 459°seey. paryant garam karate. sahitya purnapane vitalate aanee konatyahi samaveshashivay eka sankshipt kaach tayar karate. ajaivik bharane pighalavale jaatat aanee bandh kacheche gunadharm nishchit kele jaatat. kacheche vitalane kachechya prushthbhagakade nirdeshit silicon-glass interfacepasoon suru hote. vitalanyachya prakriyedarmyan kachechi chhidralutata door hote aanee madhyavarti tharachya sankochanevar aadharit kachechi jaadi lakshaniyaritya qamee hote.
bandh prakriya.
kachechya frit bandh, weferschya sanrekhanapasun suru houn, eka thermo-compressive prakriya aahe jee bandh kakshat vishisht dabane hote. bandh dabakhali wafers kahee minitansathi sumare 430°seey. prakriyechya tapmanaparyant garam kele jaatat. ekikade bandhanatil alp kalavadhimule kachechi jaali apuri pasarate, tarr dusarikade jaast vel bandhani rahilyane kachechi jaali bharoon nighate aanee nantar rikt jaaga nirman hote.
sthanantar talhanyasathi sanrekhan atishay achook aanee sthir asane aavashyak aahe. heey clamp kinwa vishesh daab plate vaparoon lakshat yeu shakate. bandh sadhane chukichya sanrekhan kinwa bandh sadhane darmyan aushnik vistar farak aadharit achook ubhya daab nahee, tatpuratya asthir dabadware shifting houu shakate.
bandh kartana bandh kachetil aushnik input sudharanyasathi aanee samaan wafer bhoomiti swikararhata naan rahnyasathi (i.eae. dhanushya aanee warp) aadratela aadhar detat. kachechya puresha uchch chikatpanachya aadhare, bandh jawaljawal dabavina houu shakatat.
kachechya samagrichi chikatpana qamee karnyasathi aanee bandh prushthbhagache changle ole hone sunishchit karnyasathi bandh tapman purese jaast asane aavashyak aahe, parantu kachechya frit samagriche atee pasarane rokhanyasathi dekhil purese qamee asane aavashyak aahe. 410°seey. peksha jaast tapman vadhalyane bandh prushthbhag ole honyas saksham hote. eka changle olsarpana qamee kathachya konatoon darshavila jaato. anoo wafer prushthbhagache thurr kachemadhye anoo staravar jodale jaatat. heey interfacevar eka patal kacheche mishran tayar karate jeey kacheche aanee vefarmadhil majboot bandh tayar karate.
thund.
dabakhali thund honyachya darmyan yantrikdrushtya majboot aanee hermatically seelband wafer bandh tayar hoto. sheetak prakriya visheshtah uchch tapmanat kachechya frit tharatil aushnik tanakade netat jyacha bandh chaukatichya aajivan vishleshanat vichar keela pahije. vefarchi jodee qamee tapmanat bandh kakshatoon kadhoon takali jaate jenekarun wafersche aushnik cracking kinwa aushnik dhakkyandvare bandh interfaces talhanyasathi.
bandhanchi takad pramukhyane ghanata, kachechya frit tharachya tharachya kshetravar aanee bandh interfacechya prushthbhagachya tharavar avalambun asate. bahutek upayogansathi teey purese uchch aahe, sumare 20 emm. pii. aii., aanee anodic bandhane sadhya kelelya tulanet. hermaticity heey bandh aanee tyamule utpadanache yogya karya aanee pureshi vishvasarhata sunishchit karate. pudhe, kachechya frit bandhit wafersche bandh utpann khoop jaast asate, samanyatah 90 takkyanpeksha jaast.
prakar.
kacheche soulder done prakarche vaparale jaatatah kaach aanee vichalan. kacheche soulder punarsanchayit kartana tyanchi aakarheen rachana rakhoon thevatat, varanvar punarbandhani kelee jaau shakate aanee tulanene pardarshak asatat. ghanikaranadarmyan vichalit vichalit soldersche aanshik sfatikikaran hote, jyamule kaach-syremic tayar hote, jeey kachechya aanee sfatikeey tappyanche sammishra asate. vichalit karnare soulder sahasa eka majboot yantrik bandh tayar karatat, parantu teey adhik tapman-sanvedanshil asatat aanee seal galanyachi shakyata jaast asate; tyanchya polychrystalline sanrachanemule teey ardhpardarshak kinwa apardarshak asatat. vichalit karnare soulder varanvar 'thermosating' asatat, kaaran punarprastaranantar tyanche vitalanare tapman lakshaniyaritya jaast hote; yamule nantarchya beeck-outpeksha qamee tapmanat bhag ekatra souldering karata yete aanee nantar sandhe punha vitalavale jaat naheet. vichalit vichalit soldermadhye anekada 25 takkyanparyant zink auxide asato. cathode kiran nalikanchya nirmitimadhye, pii. bii. oo.-bii. 2oo. 3-zno. varr aadharit vichalit karnare soulder vaparale jaatat.
electronicsasathi sealing anuprayogansathi atyant qamee tapmanatil vitalanare chashma, drav, vikasit kele gele. tyat thalium, arsenic aanee sulfurche dwaiti kinwa trik mishran asoo shakate. zink-silicoborate chashma electronicschya nishkriyatesathi dekhil vaparale jaau shakatat; tyancha aushnik vistaracha gunank siliconshi (kinwa vaparlelya itar ardhavahakanshi) julala pahije aanee tyat alkadharmi dhatoo nasavet kaaran teey ardhvahakamadhye sthalantarit hotil aanee apayash aanatil.
kaach kinwa matichi bhandi aanee kacheche soulder yanchyatil bandh ektar sahsanyojak asoo shakatat kinwa, adhik vela, vanne dair walls asoo shakatat. shikka galatee-ghatt asoo shakato; nirvat tantradnyanat kacheche souldering varanvar vaparale jaate. kachechya soldercha vapar sealant mhanoon dekhil keela jaau shakato; lohavaril kachechya dantvalk lepane tyachi pargamyata 10 patine qamee karoon hydrogen kelee. kachechya soldercha vapar kachepasoon dhatuparyantchya shikkyansathi aanee kachepasoon siremikparyantchya dhatuparyantchya shikkyansathi varanvar keela jaato.
utpadan.
kacheche soulder 60 micrometerpeksha qamee aakarache dhanya asaleli frit powder mhanoon upalabdh aahet. teey paanee kinwa alcoholmadhye misaloon sahajpane pest tayar karata yete, kinwa vitalalya jaiparyant prushthbhagala chikatoon rahnyasathi virghalalelya nitrocellulose kinwa itar yogya binders misalata yete. vitalanyachi rakkam milanyapurvi antim bandhani jaalavi lagate, jyasathi kaljipurvak golibar karanyachi aavashyakta asate. soulder kaach haah bhag tayar kartana vitalalelya avasthepasun bhavishyatil sandhachya kshetravar dekhil lavala jaau shakato. vitalalelya avasthet tyanchi qamee chikatpana asalyamule, uchch pii. bii. oo. samagri asalele (bahutekda 70-85%) shiseche chashma varanvar vaparale jaatat. sarvat samanya rachana layed boretvar (layed boret glass kinwa borosilicate glass) aadharit aahet. rasayanik sthirata vadhavanyasathi qamee pramanat zink auxide kinwa aluminium auxide misalale jaau shakate. phosphateche chashma dekhil vaparale jaau shakatat. zink auxide, bismuth trioxide aanee tambe (2) aushnik vistaravar prabhav taknyasathi auxide jodale jaau shakate; kshar oxideschya ulat, heey aushnik vistar naan vadhavta mauu honyacha bindu qamee karatat.
prakriya tapman 450°seey. peksha qamee sadhya karnyasathi seesa asalela kaach kinwa seesa silicate kaach vaparla jaato. kachechi falee hii kachechi puud, sendriya bandhani, ajaivik bharane aanee dravkancha samavesh asaleli pest aahe. hii qamee vitalanari kachechi pest choornat (danyacha aakar <15 microne) misalali jaate aanee sendriya bindermadhye misaloon chhapanyayogya chikat pest tayar kelee jaate. ajaivik bharane, i.eae. coordirite kann (udaa.jee. gunadharmanvar prabhav taknyasathi vitalalelya kachechya pestmadhye mg2al3 [alsi5o18]) kinwa berrium silicate misalale jaate, mhanje.eae. silicon aanee kachechya fritmadhil aushnik vistar gunankanchi visangati qamee karane. sendriya bandhanichi chikatpana samayojit karnyasathi dravkancha vapar keela jaato. anek kachechya frietchi pest vyavsayikdrushtya upalabdh aahet, udaa.jee. ferro fx-11-0366, aanee pratyekas jamaa kelyanantar vaiyaktik hatalanichi aavashyakta asate. pastechi nivad vividh ghatkanvar avalambun asate, i.eae. jamaa karanyachi paddhat, thurr samagri aanee prakriya tapman.
mames anuprayogansathi vaparlya jaanarya kachemadhye kann aanee shise auxide asatat. nantarche kacheche sankraman tapman 400°seey. peksha qamee karate. silikondware layed auxide qamee jhalyamule silicon-glass interfacevar layed avkshep tayar hoto. tyaa avkshepanmule bandhanchi takad qamee hote aanee vishvasarhata jokhim asatat jyaa upkarananchya aajivan andajansathi vicharat ghetalya pahijet.
vapar.
electronic packagingmadhye kacheche soulder varanvar vaparale jaatat. syrdip packaging heey eka udaharan aahe. aavarnadarmyan kachechya soldermadhun paanee baher padane heey suruvatichya serdip integrated circuitschya uchch apayashi daranche kaaran hote. kachechya souldard syremic cover kadhoon takane, udaa.jee., apayashachya vishleshanasathi kinwa ulat abhiyantrikisathi chipmadhye pravesh midvanyasathi, katarane sarvottam aahe; jarr heey khoop dhokadayak asel tarr tyaeivaji aavaran polish kele jaate.
kachechya bhaganna thet jodanyapeksha aanee jwala naan vaparta (tapman-niyantrit bhatti kinwa ovhancha vapar karoon) shikke khoopach qamee tapmanat kele jaau shakatat, kacheche soulder heey subminiature vacuum tubesarkhya anuprayoganmadhye kinwa abhrakachya khidkyanna vacuum tube aanee upkarnanmadhye jodanyasathi upayukt aahet (udaa.jee., geiger tube). aushnik vistar gunank jodalya jodalya samagrishi julavun ghyava lagato aanee anekada samgrichya vistarachya gunankanmadhye nivadala jaato. tadjod karavi lagat asalyas, tanatanavapeksha sandhe daab tanavakhali aanane adhik isht aahe. lahan bhaganvar patal thurr vaparale jaatat asha anuprayoganmadhye vistar julani mahattvapoorn nahee, udaa.jee., jaalnyayogya shaee, kinwa jethe sandhe kayamswarupi sankuchit kele jaatil (udaa.jee., bahya poladachya kavchadvare) aushnikaritya sadar kelelya tananchi bharpai karane.
kachechya soldercha vapar, aushnik vistarachya lakshaniy bhinn gunankasah samagri (chashma, matichi bhandi) jodatana madhyavarti thurr mhanoon keela jaau shakato; asha samagreela thet prasar weldingdware jodale jaau shakat nahee. baher kadhalelya glazing khidakya kachechya patalanni ekatra souldard kelya jaatat.
kachecha soulder vaparla jaato, udaa.jee.cathode kiran nalya aanee plazma display panelche bhag ekatra jodanyasathi. naveen rachananni shiseche praman qamee karoon (2) oxideche praman 70 takkyanvarun qamee karoon, zink oxideche praman vadhavun, titanium dye auxide aanee bismuth (3) auxide aanee itar kahee ghatak jodoon vaparache tapman qamee kele. asha kachecha uchch aushnik vistar yogya syremic bharnyane qamee keela jaau shakato. souldering tapmanasah lead-free soulder chashma dekhil vikasit kele gele.
qamee qamee tapmanasah phosphateche chashma vikasit kele gele. lithiyam aanee itar kahee oxideschya jodanisah phosphorus pentoxide, shise (2) auxide aanee zink auxide hii ashee eka rachana aahe.
vidyut pravahakeey kacheche soulder dekhil tayar kele jaau shakatat.
fayade.
glass frit bandh prakriya vaparnyamule khaleel fayade hotatah

