Ngwa nkeIgwe nyocha X-ray SMT- Nnwale ibe
Ebumnuche na usoro nyocha mgbawa
Ebumnuche bụ isi nke nnwale mgbawa bụ ịchọpụta ihe na-emetụta ogo ngwaahịa na usoro mmepụta ngwa ngwa o kwere omume yana igbochi mmepụta ihe nrụzi, nrụzi na mkpochapụ.Nke a bụ usoro dị mkpa nke njikwa njirimara ngwaahịa.A na-eji teknụzụ nyocha X-RAY nwere fluoroscopy nke ime maka nyocha adịghị emebi emebi, a na-ejikwa ya achọpụta ntụpọ dị iche iche na ngwugwu mgbawa, dị ka peeling oyi akwa, mgbawa, voids na iguzosi ike n'ezi ihe.Na mgbakwunye, nyocha na-enweghị mbibi X-ray nwekwara ike ịchọ ntụpọ nwere ike ime n'oge nrụpụta PCB, dị ka ntinye na-adịghị mma ma ọ bụ oghere akwa mmiri, mkpirisi mkpirisi ma ọ bụ njikọ na-adịghị mma, wee chọpụta iguzosi ike n'ezi ihe nke bọọlụ na-ere ahịa na ngwugwu.Ọ bụghị nanị na-achọpụta nkwonkwo solder na-adịghị ahụ anya, ma na-enyochakwa nsonaazụ nyocha nke ọma na ọnụọgụ maka nchọpụta mmalite nke nsogbu.
Ụkpụrụ nyocha nke mgbawa nke teknụzụ X-ray
Ngwa nyocha X-RAY na-eji tube X-ray mepụta ụzarị X-ray site na nlele mgbawa, nke a na-atụ anya na nnata onyonyo.Enwere ike ịbawanye ihe onyonyo ya dị elu n'usoro site na 1000 ugboro, si otú a na-enye ohere ka e gosipụta nhazi nke mgbawa nke ọma nke ọma, na-enye ụzọ nyocha dị irè iji meziwanye "ọnụego otu ugboro" na iji mezuo ebumnuche nke "efu efu". ntụpọ”.
N'ezie, na ihu nke ahịa anya dị nnọọ ezi uche ma esịtidem Ọdịdị nke ndị ibe nwere ntụpọ, o doro anya na ha na-apụghị iche na gba ọtọ anya.Naanị n'okpuru nyocha X-ray nwere ike ikpughe "prototype" ahụ.Ya mere, akụrụngwa nyocha X-ray na-enye mmesi obi ike zuru oke ma na-arụ ọrụ dị mkpa na nnwale nke ibe n'ichepụta ngwaahịa eletrọnịkị.
Uru nke PCB x ray igwe
1. Ọnụ ego mkpuchi nke mmebi usoro ruru 97%.Nrụrụ ndị nwere ike inyocha gụnyere: ihe na-ere ahịa ụgha, njikọ àkwà mmiri, mbadamba mbadamba, ihe na-ezuru ezughi oke, oghere ikuku, ntapu ngwaọrụ na ihe ndị ọzọ.Karịsịa, X-RAY nwekwara ike inyocha BGA, CSP na ndị ọzọ solder nkwonkwo zoro ezo ngwaọrụ.
2. Mkpuchi ule dị elu.X-RAY, ngwá ọrụ nyocha na SMT, nwere ike nyochaa ebe a na-apụghị inyocha anya gba ọtọ na ule ntanetị.Dịka ọmụmaatụ, a na-ekpebi PCBA dị ka ihe na-ezighị ezi, nke a na-enyo enyo na ọ bụ nkwụsị n'ime oyi akwa PCB, enwere ike ịlele X-RAY ngwa ngwa.
3. Oge nkwadebe ule na-ebelata nke ukwuu.
4. Nwere ike ịhụ ntụpọ ndị a na-apụghị ịdabere na ya site n'ụzọ nnwale ndị ọzọ, dị ka: ihe na-ere ahịa ụgha, oghere ikuku na ịkpụzi adịghị mma.
5. Ngwá ọrụ nyocha X-RAY maka mbadamba akụkụ abụọ na multilayer naanị otu ugboro (na ọrụ delamination).
6. Nye ozi nha dị mkpa iji nyochaa usoro mmepụta na SMT.Dị ka solder tapawa ọkpụrụkpụ, ego nke solder n'okpuru solder nkwonkwo, wdg.
Oge nzipu: Mar-24-2022