Mudzi kumuka nokuwa iri pakutsvaga zvechadenga zvinhu. Kugadzirisa dambudziko racho shrinkage ari Hazvichinji-chinji-Zvichienderana pcb Board , ngatirambei muchidimbu sumo mashoko ari kuchinja ndiro Polyimide:
(1) polyimide ane kwazvo chafariz chaitwa, unogona kukunda chafariz kuvhunduka mutobvu isina pokunamatidza kupisa kurapwa;
(2) Vakawanda mano vagadziri vanowanzotevedzera kushandisa kuchinja nematunhu Board kuti mano duku kuti vanofanira kusimbisa chiratidzo akaperera;
(3) Polyimide ane refu regirazi kuchinja tembiricha uye yakakwirira utsotso pfungwa unhu,
zvakajairika ezvinhu kuti kupatsanurwa pa 350 ℃ kana kupfuura;
(4) In makemikari nemukuparadzwa, polyimide iri insoluble zvakafanana zvinoita zvokufembedzwa.
Usazviomesera mundiro zvinhu uye pasi huru chawo zvinhu PI uye guruu ane ukama, kureva, ukama kwazvo imidation pamusoro PI, dzakanga ukuru imidization, akasimba ari controllability.
Maererano dzose kugadzirwa mitemo, pashure kusanduka bhodhi nokuveza, uye paumbwe Graphics mutsetse, uye mubatanidzwa vanachandagwinyira uye akapfava mu nedanho compression achava kunosiyana inosiyana kukura uye marwadzo ari Graphics mutsetse etching, mutsetse zvikuru uye kutungamirirwa , kuchatungamirira reorientation ari kunetseka yose bhodhi, uye pakupedzisira kutungamirira mukuru mutemo bhodhi kumusoro uye pasi kuchinja; mu muitiro kubatanidza nyoro uye zvakaoma, sezvo pose kufukidza firimu uye nechepasi zvinhu PI kuwedzera coefficient dzisingapindirani, Mukati kutsanangurwa mumwe mwero kuwedzera.
Kubva zvakasikwa chikonzero, chero zvinhu kunowedzera uye sei tembiricha uye, somugumisiro wakareba muna pcb kugadzirwa kwacho, zvinhu pashure dzakawanda dzinopisa akanyorova muitiro, yepamusoro shrinkage ukoshi anogona inosiyana siyana kuchinja usingaoneki, asi kwenguva chaiwo kugadzirwa ruzivo, kuchinja kana kugara.
Kudzora uye kuvandudza?
Kutaura zvazviri, dzomunyika mupfungwa mumwe mupumburu zvinhu vakasiyana, uye muitiro kudzora mumwe batch mangé ndiro hakuzoitiki zvakangofanana. Naizvozvo, kudzorwa coefficient zvinhu kuwedzera kunobva vakawanda experimental nezvigadziko On kwacho kuzvidzora uye mashoko Statistical kuongorora zviri kunyanya kukosha. In chaiwo mashandiro, ari shrinkage pamusoro kusanduka ndiro rakakamurwa muzvikamu:
The wokutanga anobva pakuvhurwa kusvika kubika jira, Izvi dzinowanzotsigi- kunokonzerwa tembiricha migumisiro:
Kuti vave nechokwadi kuti kubikira hwendefa anokonzerwa nokuparara rakatsiga, wokutanga kuti ironge kuzvidzora kusachinja-chinja, pasi pafungidziro rakabatana zvokunyama, mumwe kubika ndiro kudziyisa uye kutonhora akavhiyiwa kunofanira kupindirana, kwete tinongoita kutevera zvinhu, uye akaisa rakapera mahwendefa mumhepo kuti kupisa nounzenza. The chete nzira kurerutsa womukati mupfungwa kunokonzerwa zvinhu kuwedzera uye marwadzo.
The yechipiri danho kwakaitika nedanho muenzaniso chinja. The shrinkage pamusoro Danho ichi dzinowanzotsigi- kukonzerwa nokuchinja kunetseka dzidziso iri acho.
Kuti vave nechokwadi chokuti mutsetse kutapurirana muitiro akatsiga, machira All kubika vasingagoni kuva worumanisa, zvakananga kuburikidza makemikari rokutsvaira mutsetse pamusoro kwerubwinyo rwakagara rwuripo kurapwa, pashure kumanikidza Kamudzira pamusoro anofanira anoyera kure, bhodhi pemvura pamberi uye mushure nokufumura nguva inofanira kuva yakakwana , pashure munhangemutange kutapurirana, nokuda yekupindurwa kunetseka dzidziso, kusanduka ndiro kuuya yakasiyana mwero crimp uye marwadzo, saka firimu muripo kudzora ukama wedzinza zvakaoma uye akapfava akabatana nemagadzirirwo rokudzora, panguva imwe nguva, aida kuchinja ndiro kunowedzera uye ascertainment pakati kuwanda tsika, ndiyo kugadzirwa kwayo kutsigira vanachandagwinyira Panel date hwaro.
The wechitatu chokutambudzika marwadzo rikaitika nedanho zvakaoma uye akapfava dare wokudhinda, huru compression parameters uye zvinhu zvivako zviri Danho ichi takatsunga.
Zvinhu achifurira danho iri kuwedzera zvinosanganisira kudziyisa mwero lamination, yokuvira kufurirwa parameters, uye residual mhangura mwero uye pakukora pokupedzisira. Kazhinji, ikava duku residual mhangura zvazvingava, mukuru mukuru shrinkage mutengo; ari wakawondereiko kudai mazuva ose chinoumba kunonyanya kukosha nokuparara. Zvisinei, kubvira guru duku, ndiyo zvishoma nezvishoma, saka firimu muripo kunonyanya kukosha. Uyezve, nokuda yezvakaita Usazviomesera bhodhi uye vanachandagwinyira bhodhi zvinhu, ayo muripo chimwezve chinhu chinoda kuonekwa.