01020304
Kuenzanisa Musiyano uripo pakati peIPC2 neIPC3 standards
2024-06-13
| Kuenzanisa Musiyano uripo pakati peIPC2 neIPC3 standards | ||
| Kuenzanisa misiyano iri pakati peIPC2 neIPC3 standards dzemota dzePCB: | ||
| Chikamu cheIPC chinoratidza huwandu hwemhando yebhodhi redunhu rakadhindwa, uye vamwe vagadziri vemagetsi vane kugona kugadzira zvigadzirwa zveIPC zvedanho rekutanga nerechipiri chete. Munguva pfupi, panogona kunge pasina musiyano unooneka, asi nekufamba kwenguva, matambudziko emhando yechigadzirwa anova pachena. Kana chigadzirwa chako chiri chemhando yeindasitiri uye ukanyanya kutarisa kukosha kwechigadzirwa kwenguva refu, ndapota iva nechokwadi chekusarudza chiyero chepamusoro. Mitemo yemhando inosanganisira IPC1, IPC2, IPC3, GJB362C-2021, AS9100 | ||
| kuputira simbi (pamusoro neburi): ukobvu hwepakati hwemhangura | ||
| IPC2 | IPC3 | |
| ●20um | ●25um | |
| kuputira simbi (pamusoro neburi): ukobvu hwemhangura hushoma | ||
| IPC2 | IPC3 | |
| ●18um | ●20um | |
| maburi mukati mechikamu chemhangura chepurasitiki | ||
| IPC2 | IPC3 | |
| ●Hapafanirwe kuva nechinhu chisina chinhu chinopfuura chimwe chete mukati megomba. ●Huwandu hwemaburi ane zvinhu zvisina chinhu hahufanirwe kudarika 5%. ●Kureba kwechinhu chisina chinhu hahufanirwe kudarika 5% yehurefu hwegomba. ●Dhigirii redenderedzwa rechinhu chisina chinhu hachifanirwe kudarika 90°. | ●Hapana nzvimbo dzinenge dzisina chinhu mukati megomba. | |
| Kuvhara kusina chinhu muchikamu chekuputira chakapedzwa | ||
| IPC2 | IPC3 | |
| ●Hapafanirwe kuva nevhudzi rinopfuura 3 mukati megomba. ●Huwandu hwemaburi ane vhudzi harifanirwe kudarika 5%. ●Kureba kwevhudzi hakufanirwe kudarika 5% yehurefu hwegomba. ●Dhigirii redenderedzwa revhudzi harifanirwe kudarika 90°. | ●Hapafanirwe kuva nechinhu chisina chinhu chinopfuura chimwe chete mukati megomba, uye huwandu hwemaburi ane zvinhu zvisina chinhu hahufanirwe kudarika 5%. ●Kureba kwenzvimbo isina chinhu hakufanirwe kudarika 5% yehurefu hwegomba. ●Kureba kwedenderedzwa kwechinhu chisina chinhu hakufanirwe kudarika 90°. | |
| Mitemo mikuru yekuputira pamusoro | ||
| IPC2 | IPC3 | |
| ●Nzvimbo inopindirana yemhangura/kuputira yakazaruka haifanirwe kudarika 1.25mm. | ●Nzvimbo inopindirana yemhangura/kuputira yakazaruka haifanirwe kudarika 0.8mm. | |
| chiratidzo chekucheka | ||
| IPC2 | IPC3 | |
| ●Chero bedzi upamhi hwemutsetse unoumba mavara huchigona kuzivikanwa, hunogona kuderedzwa kusvika 50%. | ●Micheto yemitsara inoumba mavara inogona kubvumidzwa kana paine zvisakarurama zvishoma. | |
| Chiratidzo chesiriki kana kuti chiratidzo cheinki | ||
| IPC2 | IPC3 | |
| ●Chero bedzi mavara acho akajeka, inki inogona kubvumirwa kuunganidzwa kunze kwemitsara yemavara. ●Chero bedzi kurongeka kunodiwa kuchiri pachena, chimiro chechiratidzo chekurongeka kwezvikamu chinogona kutsungirira kupatsanurwa kwezvikamu. ●Ingi yechiratidzo cheburi rechikamu chechinhu haifanirwe kupinda muburi rekuisa chikamu kana kukonzera kuti upamhi hwakakodzera huve hwakaderera pane upamhi hwerin'i hushoma. | ●Chero bedzi mavara acho akajeka, inki inogona kubvumirwa kuunganidzwa kunze kwemitsara yemavara. | |
| Kugayiwa kwesoda | ||
| IPC2 | IPC3 | |
| ●Kuisa soda muchina kunoonekwa pamucheto wepatani yekufambisa, zvichikonzera kudzikira kwenzvimbo yemutsetse isingaderedze kupfuura zvinodiwa zvishoma zvakatarwa. Panguva imwe chete, kuisa soda muchina uku hakufanirwe kusvika kumucheto wese wepatani yekufambisa. | ●Kuisa soda straw hakubvumirwi. | |
| Kureba kwemitsara | ||
| IPC2 | IPC3 | |
| ●Kusanganiswa kwezvikanganiso zvakaita semipendero yemitsetse yakakombama uye mipendero yemhangura hakufanirwe kukonzera kudzikira kwenzvimbo inopfuura 30% yenzvimbo dziri kure. | ●Kusanganiswa kwezvikanganiso zvakaita semipendero yemitsetse yakakombama uye mipendero yemhangura hakufanirwe kukonzera kudzikira kwenzvimbo inopfuura 20% yenzvimbo dziri kure. | |
| Upamhi hwemhete yekunze yegomba rakatsigirwa | ||
| IPC2 | IPC3 | |
| ●Kureba kwekutyoka hakufanirwe kudarika 90° uye kunofanira kuzadzisa zvinodiwa padanho repadivi. ●Kana kuderedzwa kwehupamhi hwemutsetse munzvimbo yekubatanidza pakati pe solder pad nemutsetse kusingapfuuri 20% yehupamhi hwemutsetse hushoma hwakatarwa mudhirowa reinjiniya kana hwaro hwekugadzira, kuputsika kwe -90° kunobvumirwa. Kubatana kwemutsetse hakufanirwe kunge kuri pasi pe 0.05mm (0.0020 in) kana hupamhi hwemutsetse hushoma, chero hupi zvahwo hudiki. | ●Gomba harisi pakati pechinhu chinosungirirwa, asi upamhi hwerin'i hahufanirwe kuva pasi pe0.05mm (0.0020in). ●Nekuda kwezvikanganiso zvakaita semakomba, makomba, maburi, maburi ane maburi kana maburi akaonda, upamhi hwekunze hwering hushoma mukati menzvimbo yakaparadzana hunobvumirwa kuderedzwa ne20%. | |
| Upamhi hwerin'i yegomba risina kutsigirwa | ||
| IPC2 | IPC3 | |
| ●Upamhi hwemhete yeburi hauna kutyoka. | ●Upamhi hweringi chero kupi zvako haufanirwe kunge huri pasi pe 0.15mm (0.00591 in). Kune rin'i yeburi iri munzvimbo yakakombama, nekuda kwezvikanganiso zvakaita semakomba, makomba, maburi, maburi epinho kana maburi akaonda, upamhi hwerin'i yekunze hushoma hunobvumirwa kuderedzwa ne20%. | |
| Kucheka kusina kunaka | ||
| IPC2 | IPC3 | |
| ●Kucheka kusina kunaka kunofanira kunge kuri pasi pe0.025mm (0.000984in). | ●Kucheka kusina kunaka kunofanira kunge kuri pasi pe 0.013mm (0.000512in). | |
| Upamhi hwemhete yemukati | ||
| IPC2 | IPC3 | |
| ●Kuputsika kwechinhu hakufanirwe kudarika 90°. | ●Upamhi hwerin'i hushoma hahufanirwe kuva pasi pe 0.025mm(0.000984in). | |
| Mhedzisiro yekukweva kwepakati | ||
| IPC2 | IPC3 | |
| ●Kusveta kwepakati hakufanirwe kudarika 0.10mm (0.0040in). | ●Kusveta kwepakati hakufanirwe kudarika 0.08mm (0.0031in). | |
| Mhedzisiro yekukweva gomba rekuparadzanisa | ||
| IPC2 | IPC3 | |
| ●Kusveta kwepakati hakufanirwe kudarika 0.10mm (0.0040in). | ●Kusveta kwepakati hakufanirwe kudarika 0.08mm (0.0031in). | |
| Kufukidzwa kwechinyorwa | ||
| IPC2 | IPC3 | |
| ●Panofanira kuva nemaburi anotenderedzwa nesodler ari pakati pe270° kutenderera. | ●Upamhi hushoma hwegomba rinogoneka kutenderedzwa kwese i0.13mm (0.00512in). | |
| Kupindirana kwemaburi ekuvhura pabhodhi rekufukidza nebhodhi rekuomesa | ||
| IPC2 | IPC3 | |
| ●Panofanira kunge paine kanenge denderedzwa rimwe chete rinogoneka kuputirwa mukati me 270° padenderedzwa. | ●Upamhi hushoma hwegomba rinogoneka kutenderedzwa kwese i0.13mm. ●Kune gomba risina kutsigirwa, upamhi hwerin'i yegomba rinogoneka kusungirirwa haufanirwe kunge huri pasi pe0.25mm. | |
| Kubatana pakati pesimbi nemadziro egomba akaputirwa | ||
| IPC2 | IPC3 | |
| ●Kupatsanurwa panzvimbo yekubatanidza hakufanirwe kudarika 20% yeukobvu hwepakati pesimbi. Kana pakashandiswa simbi yakaputirwa nemhangura, hapafanirwe kuve nekupatsanurwa muchikamu chekubatanidza mhangura. | ●Hapana kuparadzaniswa pachikamu chekubatanidza. | |
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