01020304
Kwatanta Bambance-bambance tsakanin IPC2 da IPC3 ma'auni
2024-06-13 10:13:32
| Kwatanta Bambance-bambance tsakanin IPC2 da IPC3 ma'auni | ||
| Kwatanta bambance-bambance tsakanin ka'idodin IPC2 da IPC3 don PCBs na kera motoci: | ||
| Matsayin IPC yana nuna ingancin matakin kowane nau'in allon da'ira da aka buga, kuma wasu masana'antun lantarki kawai suna da ikon samar da samfuran matakin farko da na biyu na IPC. A cikin ɗan gajeren lokaci, ƙila ba za a sami bambance-bambancen da za a iya gani ba, amma bayan lokaci, al'amurran ingancin samfur sun zama mafi shahara. Idan samfurin ku na matakin masana'antu ne kuma kun mai da hankali kan ƙimar samfurin na dogon lokaci, da fatan za a tabbatar da zaɓi mafi girman matsayi. Ma'aunin ingancin ya ƙunshi IPC1, IPC2, IPC3, GJB362C-2021, AS9100 | ||
| karfe plating (surface da rami): matsakaicin kauri na jan karfe | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●20um | ●25 ku | |
| karfe plating (surface da rami): min kauri na jan karfe | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●18 ku | ●20um | |
| voids a cikin tagulla plating Layer | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Bai kamata ya zama mara komai ba a cikin ramin. ●Yawan ramukan da ke ɗauke da ɓangarorin kada su wuce 5%. ● Tsawon ɓoyayyen kada ya wuce 5% na tsawon ramin. ●Ma'auni na madauwari ba zai wuce 90 ° ba. | ●Kada a sami kuraje a cikin ramin. | |
| Rufi vads a cikin ƙãre shafi Layer | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Kada ya zama babu fiye da 3 a cikin ramin. ●Yawan ramukan da ke ɗauke da ɓangarorin kada su wuce 5%. ● Tsawon ɓoyayyen kada ya wuce 5% na tsawon ramin. ●Ma'auni na madauwari ba zai wuce 90 ° ba. | ●Bai kamata ya kasance a cikin ramin da ya wuce daya ba, sannan adadin ramukan da ke dauke da babur kada ya wuce kashi 5%. ● Tsawon ɓoyayyen kada ya wuce 5% na tsawon ramin. ● Tsawon madauwari na maras kyau kada ya wuce 90 °. | |
| Gabaɗaya ka'idoji don suturar ƙasa | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Yankin da aka haɗe na tagulla / rufi da aka fallasa ba zai wuce 1.25mm ba. | ●Yankin da aka haɗe na tagulla / rufi da aka fallasa ba zai wuce 0.8mm ba. | |
| alamar etching | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Matukar za a iya gane fadin layin da ke samar da haruffa, za a iya rage shi zuwa kashi 50%. | ●Za a iya barin gefuna na layin da ke samar da haruffa don rashin daidaituwa. | |
| Silkscreen ko alamar tawada | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Muddin haruffan suna bayyane, ana iya barin tawada ta tari a waje na layukan halayen. ●Muddin yanayin da ake buƙata a bayyane yake, jigon alamar daidaitawar abubuwa na iya jure wa ɓarna. ●Tawada don alamar ɓangaren ramin solder pad kada ya shiga cikin ramin shigarwa ko sanya faɗin dama ya zama ƙasa da mafi ƙarancin faɗin zobe. | ●Muddin haruffan suna bayyane, ana iya barin tawada ta tari a waje na layukan halayen. | |
| Soda narkewa | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●A soda strawing ya bayyana tare da gefen gefen tsarin gudanarwa, yana haifar da raguwa a cikin tazarar layi wanda ba zai zama ƙasa da ƙananan ƙayyadadden buƙatun ba. A lokaci guda, wannan soda strawing ba zai riga ya mika zuwa dukan gefen da conductive model. | ●Ba a yarda bambaro. | |
| Tazarar layi | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Duk wani haɗe-haɗe na lahani kamar ƙananan gefuna na layi da tagulla ba za su haifar da raguwa fiye da 30% na mafi ƙarancin tazarar layi a wuraren keɓe ba. | ●Duk wani haɗe-haɗe na lahani kamar ƙananan gefuna na layi da tagulla ba za su haifar da raguwar fiye da 20% na mafi ƙarancin tazarar layi a wuraren keɓe ba. | |
| Faɗin zoben waje na rami mai goyan baya | ||
| Farashin IPC2 | Farashin IPC3 | |
| ● Matsayin raguwa ba zai wuce 90 ° ba kuma zai dace da mafi ƙarancin tazarar da ake bukata. ● Idan raguwar nisa na layi a cikin haɗin haɗin tsakanin kushin mai sayarwa da layin bai fi 20% na ƙananan ƙananan layin da aka ƙayyade a cikin zane-zane na injiniya ko tushen samarwa, an ba da izinin -90 ° karya. Haɗin layin bai kamata ya zama ƙasa da 0.05mm(0.0020 in) ko mafi ƙarancin faɗin layi ba, kowace ƙarami. | ●Ramin baya kasancewa a tsakiyar kushin saida, amma faɗin zoben kada ya zama ƙasa da 0.05mm(0.0020in). ●Saboda lahani kamar ramuka, ramuka, notches, ramuka ko ramukan da bai dace ba, ana barin mafi ƙarancin faɗin zobe na waje a cikin keɓe wuri da kashi 20%. | |
| Faɗin zobe na rami mara tallafi | ||
| Farashin IPC2 | Farashin IPC3 | |
| ● Faɗin zoben ramin ba ya karye. | ● Nisa na igiya a kowace hanya kada ta kasance ƙasa da 0.15mm (0.00591 in). Don zoben ramin a cikin yanki mai karkata, saboda lahani kamar rami, ramuka, notches, ramuka ko ramukan da ba a iya gani ba, an ba da izinin rage mafi ƙarancin girman zoben waje da 20%. | |
| Etching mara kyau | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Maɓalli mara kyau zai zama ƙasa da 0.025mm (0.000984in). | ●Maɗaukaki mara kyau zai zama ƙasa da 0.013mm (0.000512in). | |
| Faɗin zobe na ciki | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Matakin karya kada ya wuce 90°. | ●Mafi girman girman zoben kada ya zama ƙasa da 0.025mm(0.000984in). | |
| Babban tasirin tsotsa | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Tasirin tsotsawar mahimmanci kada ya wuce 0.10mm (0.0040in). | ●Tasirin tsotsawar mahimmanci kada ya wuce 0.08mm (0.0031in). | |
| Babban tasirin tsotsawar ramin keɓewa | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Tasirin tsotsawar mahimmanci kada ya wuce 0.10mm (0.0040in). | ●Tasirin tsotsawar mahimmanci kada ya wuce 0.08mm (0.0031in). | |
| Rufewar murfin | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Ya kamata a sami zoben ramuka masu saƙa a cikin kewayon aƙalla 270° kewaye da kewaye. | ●Mafi ƙarancin nisa na rami mai solderable akan duk kewaye shine 0.13mm (0.00512in). | |
| Matsakaicin ramukan sharewa a kan allo mai rufi da stiffener | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Ya kamata a sami aƙalla zoben rami ɗaya mai siyarwa a cikin kewayon 270° akan kewaye. | ●Mafi ƙarancin nisa na ramin da za a iya siyar da shi akan duk kewaye shine 0.13mm. ●Don ramin da ba a goyan baya ba, nisan zobe na ramin mai siyarwa ba zai zama ƙasa da 0.25mm ba. | |
| Haɗin kai tsakanin karfen core da bangon rami mai plated | ||
| Farashin IPC2 | Farashin IPC3 | |
| ●Rabuwa a wurin haɗin kai ba zai wuce 20% na kauri na tsakiya na karfe ba. Idan an yi amfani da abin da aka sanye da ƙarfe na jan ƙarfe, ba za a sami rabuwa a ɓangaren haɗin gwiwar jan karfe ba. | ●Kada a sami rabuwa a ɓangaren haɗin gwiwa. | |