Anyị na -ekwe nkwa uru maka ego site na nkọwapụta ihe na njikwa mma. Ụkpụrụ njikwa mma anyị siri ike karịa nke ndị na -eweta ngwaahịa ndị ọzọ, wee hụ na ngwaahịa anyị nwere ike nye egwu zuru oke maka arụmọrụ a tụrụ anya ya.

Ọbụlagodi na enweghị ihe dị iche na mbido mbụ, ngwaahịa dị oke mma ga-emecha baa uru

Ọ bụ site n’elu ka anyị na -ahụ ihe dị iche, nke dị oke mkpa maka ịdịte aka na ọrụ nke PCB na ndụ niile. Ndị ahịa anaghị ahụ ọdịiche ndị a mgbe niile, mana ha nwere ike nwee obi ike na PCB enyere ha na -ezute ụkpụrụ kacha sie ike.

Ma ọ bụ n’ichepụta ihe na mgbakọ ma ọ bụ iji ya eme ihe, PCB kwesịrị inwe arụmọrụ a pụrụ ịdabere na ya, nke dị ezigbo mkpa. Na mgbakwunye na ọnụ ahịa dị mkpa, enwere ike ibute ntụpọ na usoro ọgbakọ n’ime ngwaahịa ikpeazụ site na PCB, yana mmejọ nwere ike ime na usoro ojiji, na -ebute ebubo. Yabụ, site n’echiche a, ọ bụghị oke ikwu na ọnụ ahịa PCB dị elu adịghị mma.

N’akụkụ ahịa niile, ọkachasị ndị na -emepụta ngwaahịa n’akụkụ ngwa ngwa, nsonaazụ nke ọdịda dị otú a enweghị atụ.

These aspects should be kept in mind when comparing PCB prices. Although the initial cost of reliable, guaranteed and long-life products is high, they are worth it in the long run.

Nkọwapụta PCB karịrị ihe IPC klas 2 chọrọ

Ogwe sekit ntụkwasị obi dị elu – atụmatụ 14 kachasị mkpa ahọrọ site na njirimara 103

1. 25 micron oghere mgbidi ọkpụrụkpụ ọla kọpa

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Enwekwu ntụkwasị obi, gụnyere nkwụsi ike mgbasawanye nke z-axis.

Ihe egwu nke emeghị otu a

Nsogbu njikọta eletriki mgbe ọ na -afụ ma ọ bụ na -agbawa oghere, mgbakọ (nkewa oyi akwa n’ime, mgbawa mgbidi oghere), ma ọ bụ mmejọ nwere ike ime n’okpuru ọnọdụ ibu ọrụ n’oge eji ya eme ihe. IPC klas 2 (ọkọlọtọ nke ọtụtụ ụlọ ọrụ nakweere) chọrọ mkpuchi ọla kọpa 20%.

2. Enweghị mmezi ịgbado ọkụ ma ọ bụ mmezi sekit mepere emepe

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Perfect circuit can ensure reliability and safety, no maintenance and no risk

Ihe egwu nke emeghị otu a

Ọ bụrụ na arụzighị ya nke ọma, bọọdụ sekit ga -abụ okirikiri mepere emepe. Ọbụlagodi na nrụzi ahụ ‘dabara nke ọma’, enwere ike ịda ada n’okpuru ọnọdụ ibu (ịma jijiji, wdg), nke nwere ike ime na iji ya eme ihe.

3. Ịgafe ihe ndị a chọrọ maka ịdị ọcha nke nkọwa IPC

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Ịkwalite ịdị ọcha PCB nwere ike melite ntụkwasị obi.

Ihe egwu nke emeghị otu a

Mwepụta nke mkpofu na ịkwa akwa na bọọdụ sekit ga -ebute ihe mgbochi na mgbochi ịgbado ọkụ, na nsị ion ga -ebute ihe nzere na mmetọ n’elu ebe ịgbado ọkụ, nke nwere ike ibute nsogbu ntụkwasị obi (njikọta ọjọọ / ọdịda eletriki ọjọọ). , na n’ikpeazụ mụbaa ohere nke ọdịda n’ezie.

4. Na -achịkwa ndụ ọrụ nke ọgwụgwọ elu ọ bụla

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Solderability, ntụkwasị obi, ma belata ihe egwu nke mbanye mmiri

Ihe egwu nke emeghị otu a

N’ihi mgbanwe metallographic na ọgwụgwọ elu nke bọọdụ sekit ochie, nsogbu ndị na -ere ahịa nwere ike ime, na ntinye mmiri nwere ike ibute delamination, akwa ime na nkewa oghere oghere (sekit mepere emepe) na usoro mgbakọ na / ma ọ bụ ojiji n’ezie.

5. Jiri mkpụrụ osisi ama ama n’ụwa niile – ejikwala ụdị “mpaghara” ma ọ bụ ụdị amaghị

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Melite ntụkwasị obi na arụmọrụ ama ama

Ihe egwu nke emeghị otu a

Igwe arụmọrụ adịghị mma pụtara na bọọdụ sekit enweghị ike ịrụ ọrụ dị ka atụ anya n’okpuru ọnọdụ ọgbakọ. Dịka ọmụmaatụ, arụmọrụ mgbasawanye dị elu ga -eduga na delamination, sekit mepere emepe na warpage. Mmebi nke njirimara eletrik nwere ike ibute arụmọrụ adịghị mma.

6. Ndidi nkpuchi laminate ọla kọpa ga -emezu ihe achọrọ nke ipc4101 klas B / L.

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Strictly controlling the thickness of dielectric layer can reduce the deviation of expected value of electrical performance.

Ihe egwu nke emeghị otu a

Ọrụ ọkụ eletrik nwere ike ọ gaghị emezu ihe achọrọ akọwapụtara, a ga -enwe nnukwu ọdịiche na mmepụta / arụmọrụ nke otu ihe mejupụtara.

7. Kọwaa ihe na-eguzogide solder iji hụ na nrube isi chọrọ chọrọ klaasị ipc-sm-840

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Chọpụta ink “magburu onwe ya”, chọpụta nchekwa ink, wee hụ na ink na -eguzogide ink na -emezu ụkpụrụ UL.

Ihe egwu nke emeghị otu a

Inks na -adịghị mma nwere ike ibute nrapado, nguzogide mmiri na nsogbu ike. Nsogbu ndị a niile ga -eduga na nkewa nke nguzogide solder site na bọọdụ sekit ma mesịa bute corrosion ọla kọpa. Njirimara mkpuchi na -adịghị mma nwere ike ibute obere sekit n’ihi njikọ ọkụ eletrik na -atụghị anya ya.

8. Kọwaa ntachi obi maka ụdị, oghere na atụmatụ igwe ndị ọzọ

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Njikwa nnagide siri ike nwere ike melite ogo nke ngwaahịa – meziwanye ịdị mma, ọdịdị na ọrụ

Ihe egwu nke emeghị otu a

Nsogbu n’oge mgbakọ, dịka nhazi / dabara (a ga -ahụ nsogbu nke agịga kwesịrị ekwesị naanị mgbe emechara ọgbakọ). Na mgbakwunye, a ga -enwe nsogbu n’ịwụnye ntọala n’ihi mmụba nke nha nha.

9. A kapịrị ọnụ ọnụ nke iguzogide solder, n’agbanyeghị na egosighi ya na IPC

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Njirimara mkpuchi eletriki ka mma na -ebelata ihe ize ndụ nke ịkpụpụ ma ọ bụ mfu nke nrapado ma kwalite ikike iguzogide mmetụta igwe – ebe ọ bụla mmetụta nrụpụta na -eme!

Ihe egwu nke emeghị otu a

Mkpuchi mkpuchi siri ike nwere ike ibute nrapado, nguzogide mmiri na nsogbu ike. Nsogbu ndị a niile ga -eduga na nkewa nke nguzogide solder site na bọọdụ sekit ma mesịa bute corrosion ọla kọpa. Njirimara mkpuchi na -adịghị mma n’ihi akwa mkpuchi ịgbado ọkụ dị mkpa nwere ike ibute sekit dị mkpirikpi n’ihi ndakọrịta mberede / arc.

10. A kọwapụtara ọdịdị na nrụzi, agbanyeghị na IPC akọwapụtaghị ya

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N’ime usoro nrụpụta, nlekọta na nlekọta nke ọma na -emepụta nchekwa.

Ihe egwu nke emeghị otu a

Ncha dị iche iche, obere mmebi, ndozi na nrụzi – bọọdụ sekit na -arụ ọrụ mana ọ naghị adị mma. Na mgbakwunye na nsogbu ndị enwere ike ịhụ n’elu, kedu ihe egwu a na -adịghị ahụ anya, mmetụta na mgbakọ na ihe egwu dị na iji ya eme ihe n’ezie?

11. Ihe achọrọ maka omimi oghere plọg

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Oghere nkwụnye dị elu ga -ebelata ohere nke ọdịda n’oge mgbakọ.

Ihe egwu nke emeghị otu a

Ihe fọdụrụ na kemịkalụ na usoro ọdịda ọla edo nwere ike nọrọ n’ime oghere nwere oghere plọg na -ezughị ezu, na -ebute nsogbu dịka ịgbado ọkụ. Tụkwasị na nke ahụ, enwere ike zoo beads tin n’ime oghere ahụ. N’oge mgbakọ ma ọ bụ iji ya eme ihe n’ezie, bead tin nwere ike gbasaa ma kpatara obere sekit.

12. Peters sd2955 na -akọwapụta ụdị na ụdị nke gluu na -acha anụnụ anụnụ

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Nhọpụta nke gluu na -acha anụnụ anụnụ nwere ike zere iji ụdị “mpaghara” ma ọ bụ ọnụ ala.

Ihe egwu nke emeghị otu a

Gluu na -adịchaghị ala ma ọ bụ dị ọnụ ala nwere ike ịfụ, gbazee, gbawaa ma ọ bụ tọọ ka ihe n’oge mgbakọ, ka gluu na -enweghị ike ghara ịpụ / ghara ịdị irè.

13. Mee usoro nkwado na ịhazi usoro maka iwu ịzụta ọ bụla

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Mmezu nke usoro a na -agba mbọ hụ na ekwenyela nkọwa niile.

Ihe egwu nke emeghị otu a

Ọ bụrụ na ejighị nlezianya kwenye nkọwapụta ngwaahịa ahụ, enweghị ike ịhụ ndapụta na -esite na ya ruo mgbakọ ma ọ bụ ngwaahịa ikpeazụ, mgbe ahụ ọ ga -egbu oge.

14. Anaghị anabata efere efere nwere akụkụ agbajikwara

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Ọ bụghị iji mgbakọ ele mmadụ anya n’ihu nwere ike inyere ndị ahịa aka imeziwanye arụmọrụ.

Ihe egwu nke emeghị otu a

Test Report

A chọrọ usoro mgbakọ pụrụ iche maka mbadamba sheathed nwere nkwarụ. Ọ bụrụ na bọọdụ nke ewepụtasịrị (x-out) apụtachaghị akara ma ọ bụ kewapụ ya na bọọdụ sheathed, ọ ga-ekwe omume ịkpọkọta bọọdụ ọjọọ a mara, wee si otu a mebie akụkụ na oge.