OSP Process Guidelines yePCB Manufacturing

Organic Solderability Preservatives (OSP) tekinoroji inomira kumberi kwehunyanzvi muindasitiri yekugadzira zvemagetsi, kunyanya mukugadzira PCB. Iyi tekinoroji yekurapa yepamusoro yakawana kutariswa kwakakosha pakugona kwayo kusimudzira kuita kwePCB uye hupenyu hurefu. Muchinyorwa chino, isu tichaongorora kuomesesa kweOSP tekinoroji, tichiongorora misimboti yayo, maitiro, zvakanakira, uye zvinonetsa.

Kunzwisisa Nheyo dzeOSP PCB Technology

OSP PCB tekinoroji inotsamira pamusimboti wekugadzira firimu rinodzivirira paPCB pamusoro uchishandisa organic solder kuramba. Iri firimu rinodzivirira, rinoshandiswa kuburikidza nenzira dzekuputira senge kunyura kana kupfapfaidza, rinoshanda kudzivirira iyo yakafumurwa yemhangura kubva kune oxidation uye kusvibiswa panguva yekugadzira nekufambisa. Iwo akakosha misimboti yeOSP tekinoroji anogona kuputswa kuita anotevera matanho:

1. Kugadzirira Kwazvino: Iyo yakafumurwa yemhangura inotarisana nekunatswa kwekuchenesa uye kurapwa kuti ive nechokwadi chekunamatira kwakakodzera kweiyo organic solder kuramba, kufambisa kuumbwa kweiyo yunifomu yekudzivirira firimu.
2. Organic Solder Resist Coating: Kutevera kugadzirira kwepamusoro, PCB yakaputirwa ne organic solder resist ine zvinhu zvinoshanda zvinoumba makemikari zvisungo nepamusoro pemhangura, kuve nechokwadi chekunamatira kwakasimba.
3. Kugadzira Mafirimu Anodzivirira: Iyo organic solder resist inoumba yunifomu inodzivirira firimu paPCB pamusoro, inonyatso kudzivirira oxidation uye corrosion pasina kukanganisa emagetsi chikamu mashandiro.
4. Kubvisa Panguva Welding: Munguva yePCB gungano, iyo organic solder mask yekudzivirira inobviswa kuburikidza nekupisa kurapwa, kuve nechokwadi chekuvimbika kwemajoini anotengeswa nekuburitsa pachena mhangura.

Nekushandisa misimboti iyi, tekinoroji yeOSP PCB inovandudza mashandiro ekunamira uye inoita kuti zvikamu zvemagetsi zvive zvakavimbika, zvichiisa hwaro hwekushandiswa kwayo kwakapararira mukugadzira zvemagetsi.

Zvinodiwa zveOSP PCB Production process

OSP inyanzvi yekurapa pamusoro inoshandiswa mukugadzira maPCB kuchengetedza pamusoro pemhangura kubva mukuoxidation nekusvibiswa. Kuti ive nechokwadi chekuti OSP inorapa zvakanaka uye mhando yePCB inogadzirwa, zvinodiwa zvakakosha zvinofanirwa kuteverwa mukati mekugadzirwa kwese:

1. Inouya PCB Material Kubata: MaPCB anouya anofanirwa kuve-vacuum-yakazara ne desiccant uye humidity kuratidza kadhi yakasungirirwa. Panguva yekufambisa nekuchengetedza, shandisa bepa rekuparadzanisa pakati peOSP-yakavharwa PCB kudzivirira kukuvara kwepasi. Dzivisa kufumura maPCB kuchiedza chezuva.
2. Kuchengetedza Zvakatipoteredza: Chengetedza nzvimbo yekuchengetera yakanaka ine mwando wepakati pe30% kusvika 70% uye tembiricha ye15°C kusvika 30°C. Hupenyu hwesherufu hweOSP-yakavharwa PCBs hunofanirwa kunge huri pasi pemwedzi mitanhatu.
3. Kusunungura uye Kuongorora: PaSMT saiti, sunungura OSP-yakavharwa maPCB nekungwarira, uchitarisa iyo vacuum packaging, desiccant, uye humidity kuratidza kadhi. Mabhodhi asina kukodzera anofanira kudzorerwa kumugadziri kuti ashandezve. MaPCB anofanirwa kuunganidzwa mukati memaawa masere ekuburitswa kudzivirira kuratidzwa kwenguva refu.
4. Production Process: Mushure mekudhinda, maPCB anofanira kupinda muchoto nekukurumidza uye kwete kugara kweawa inodarika 1, sezvo kuyerera kweiyo solder paste kunogona kukanganisa firimu reOSP. Chengetedza nzvimbo yewekishopu ine hunyoro hwe40% kusvika 60% uye tembiricha ye18°C kusvika 27°C.
5. Kubata Panguva Yekugadzira: Dzivisa kubata PCB kumeso zvakananga nemaoko kudzivirira kusvibiswa nedikita uye oxidation. Mushure mekupedza single-sided SMT, zadzisa yechipiri-side SMT chikamu musangano mukati maawa gumi nemaviri.
6. DIP Plug-in: Mushure meSMT, zadzisa DIP plug-in munguva pfupi inobvira, kusvika kumaawa makumi maviri nemana. Moisture OSP PCBs haigoni kubikwa, sezvo kubikwa kwepamusoro-soro kunogona kukonzera kushanduka uye kuora kweOSP.
7. Rework uye Shandisazve: Kupfuura kana kunyorova OSP-yakavharwa PCB dzisina kushandiswa mukugadzirwa dzinofanira kudzoserwa kumugadziri weOSP rework uye kushandiswa zvakare. Zvisinei, bhodhi rimwe chete harigoni kugadziriswa kanopfuura katatu, mushure mezvo rinofanira kuraswa.

Kuomerera kune izvi zvinodiwa kunovimbisa kutendeseka kweOSP-yakavharwa PCB panguva yese yekugadzira, zvichikonzera zvemhando yepamusoro uye zvakavimbika zvigadzirwa zvemagetsi.

OSP PCB Technology Process Flow

Maitiro ekuyerera kweOSP PCB tekinoroji yakakosha pakuwana nyangwe kupfekedzwa kweiyo organic solder kuramba uye kugadzira firimu rekudzivirira rakavimbika. Iyo yakajairika process inoyerera inosanganisira anotevera matanho akakosha:

• Kuchenesa uye Kugadzira Pamusoro: Pamusoro pemhangura inobuda pachena inocheneswa uye inorapwa zvakanaka kuti ibvise tsvina, zvichiita kuti ive nekuomarara uye kuchena.

• Kuputira Mask Yekuputira Yeorganic: Mushure mekugadzirira pamusoro, PCB inoputirwa nechinhu chinodzivirira masiki yeorganic solder, kazhinji iine zvinhu zvinoshanda zvinoumba zvisungo zvemakemikari zvakasimba nepamusoro pemhangura.

• Kugadzirwa kweFirimu Rinodzivirira: Mushure mekushandiswa kweresistant yeorganic solder, PCB inodziiswa kana kuomeswa kuti isimudzire kuumbwa kwefirimu rinodzivirira rakafanana, rakakosha pakudzivirira oxidation uye ngura.

• Kuedza uye Kudzora Hunhu: PCB yakaputirwa inoongororwa kuti ive nechokwadi chekuti mask yeorganic solder uye firimu rekudzivirira zvakafanana uye zvine hunhu, uchishandisa kuongorora kwemaziso, kuongorora makemikari, uye michina yekuyedza.

• Kubvisa Mapaipi Munguva Yekunamira: Kupisa kunoiswa panzvimbo yakaputirwa nemasiki ekudzivirira organic solder panguva yePCB assembly stage, zvichiita kuti ibve pamapaipi ekugadzirisa, zvichiita kuti mapaipi ekugadzirisa arambe akavimbika.

Kuburikidza nematanho aya, OSP PCB tekinoroji inodzivirira zvinobudirira iyo PCB pamusoro, inovandudza welding kuita, uye inowedzera kuvimbika kwese.

SMT Solder Paste Steel Mesh Dhizaini yeOSP PCBs

OSP PCBs inoda chaiyo dhizaini yekufunga kune mesh yesimbi inoshandiswa mukutengesa paste kudhinda panguva yeSurface Mount Technology (SMT) musangano:

Kuzarurwa Kwakawedzerwa Kwekuzara Pad Coverage:

Organic Solderability Preservative (OSP) PCBs inobatsirwa kubva kune yakadzika OSP pamusoro pekugadzira solder paste. Zvisinei, mapedhi chete haagoni kupa solder yakakwana. Naizvozvo, zvakakosha kuti ukudze zvakafanira mazaruro ari musimbi mesh kuti ive nechokwadi chekuvharika kwepadhi yese. Pakuchinja PCB kubva kuspray tin kuenda kuOSP, mesh yesimbi inofanirwa kuvhurwa kuti igadzirise shanduko iyi.

Concave Dhizaini Kugadzirisa Matambudziko:

Mushure mekuwedzera mazaru, funga kushandura dhizaini ye solder paste kudhinda stencil kuita concave shape. Iyi dhizaini yekugadzirisa inogona kubatsira kugadzirisa nyaya dzakadai semarata mabhedhi, matombo emakuva, uye yakafumurwa mhangura paOSP PCB. Kunyanya kutarisisa kunofanirwa kupihwa kudzivirira mabheji emarata, izvo zvinogona kutungamirira kuhurombo hwekusodha kunaka.

Kuvharirwa kweZvikamu Zvisina Kuiswa:

Kunyangwe zvimwe zvikamu zvisina kuiswa paPCB chero chikonzero, zvakakosha kuve nechokwadi chekuti solder paste inovhara mapadhi zvakanyanya sezvinobvira. Iyi tsika inobatsira kuchengetedza kufanana mukugadzirisa kwekutengesa uye kudzivirira oxidation yemapadhi akafumurwa, kuve nechokwadi chekuvimbika kwese kwePCB.

Kudzivirira Oxidation neStrategic Printing:

Kuti udzivise kuoxidation ye copper foil yakaratidzwa uye matambudziko anogona kuvimbika, funga nezvekudhinda zvine hungwaru nzvimbo dzekuyedza dzeICT , kuisa maburi e screw, uye kuratidzwa kuburikidza nemaburi ane tin paste kumberi kwePCB. Kune nzvimbo dzakatarwa kuti pave ne wave soldering kudivi rekumashure, iva nechokwadi chekuti zvinhu izvi zvanyatsofungwa nezvazvo pakugadzira maburi esimbi.

Zvakanakira uye Zvinetso zveOSP PCB Technology

Zvakanakira zveOSP PCB Technology

Imwe yemabhenefiti ekutanga eOSP PCB tekinoroji kugona kwayo kukwidziridza kuita kwewelding. Nekudzikisa oxidation uye kusvibiswa panguva yewelding process, OSP tekinoroji inogonesa kusikwa kweakavimbika uye akakwira-inoshanda solder majoini. Izvi zvakakosha pakushanda kwese uye hupenyu hurefu hwemidziyo yemagetsi. Pamusoro pezvo, tekinoroji yeOSP inozivikanwa nekudhura kwayo. Kana ichienzaniswa nemaitiro echinyakare ekurapa pamusoro, OSP ine mari yakawanda nekuda kwekuita kwayo kuri nyore uye kuderera kwemitengo yezvinhu. Izvi zvinoita kuti ive sarudzo inoyevedza kune vagadziri vanotarisa kudzikisa mari yekugadzira pasina kukanganisa kunaka.

Environmental Ushamwari uye Wide Applicability

Imwe mukana wakakosha weOSP PCB tekinoroji ishamwari yayo yezvakatipoteredza. Tekinoroji yeOSP inodzivirira kushandiswa kwesimbi dzine muchetura, zvichiita kuti ive sarudzo yakagadzikana inoenderana nemazuva ano ekuchengetedza nharaunda zvinodiwa. Pamusoro pezvo, tekinoroji yeOSP inopa kushanda kwakakura, ichiita kuti ive yakakodzera kune akasiyana emagetsi zvikamu uye edunhu mabhodhi. Izvi zvakasiyana-siyana zvinobatsira zvakakosha kune vagadziri vanoda nzira yekurapa yepamusoro inogona kuenderana nemhando dzakasiyana dzezvigadzirwa uye maitiro ekugadzira.

Matambudziko Akabatana neOSP PCB Technology

Pasinei nezvakawanda zvakanakira, OSP PCB tekinoroji inotarisanawo nematambudziko akati wandei. Imwe yematambudziko makuru inyaya dzekuvimbika dzine chekuita neiyo organic solder mask inodzivirira mafirimu. Aya mafirimu anogona kukonzeresa kushushikana kwemechanic panguva yekupenengura, izvo zvinogona kukanganisa kuchengetedzwa panzvimbo dzewelding. Pamusoro pezvo, tekinoroji yeOSP PCB inoda kunyatso kudzora maitiro kuti ive nechokwadi chekushandiswa kwakafanana kweiyo organic solder mask uye kuumbwa kwefirimu rinodzivirira. Iyi yepamusoro-soro yekudzora maitiro inowedzera kuomarara kune yekugadzira maitiro uye inoda kunyatsotarisisa kudzivirira kuita nyaya.

Thermal Kugadzikana uye Post-Welding Processing

Rimwe dambudziko reOSP PCB tekinoroji ndeyekudzikama kwayo kwekushisa munzvimbo dzepamusoro-tembiricha. Ichi chinodzikisira chinogona kudzora kushandiswa kwayo mune mamwe maapplication uko kuratidzwa kune yakanyanya tembiricha iri kunetseka. Pamusoro pezvo, tekinoroji yeOSP inoda nzira yekubvisa mushure mekugadzira, izvo zvinowedzera kuoma kune maitiro ekugadzira. Kusaitwa kwakashata kwemaitiro aya kunogona kukonzera kubviswa kusina kukwana, kukanganisa kushanda kwejoint solder. Kunyangwe zvipingamupinyi izvi, tekinoroji yeOSP PCB inoramba iri sarudzo yakakurumbira yevagadziri nekuda kwekuwanda kwayo kwakanaka uye kushandiswa kwakakura.

mhedziso

OSP PCB tekinoroji inopa akawanda mabhenefiti, anosanganisira yakagadziridzwa welding performance, mutengo-unoshanda, hushamwari kwezvakatipoteredza, uye kushandiswa kwakakura. Kunyangwe kutarisana nezvipingamupinyi zvakaita senyaya dzekuvimbika uye yakakwira maitiro ekudzora zvinodiwa, tekinoroji yeOSP inoramba iri nzira yekurapa yepamusoro inobatsira mukugadzira zvemagetsi. Nekunzwisisa uye nekugadzirisa misimboti uye maitiro eOSP tekinoroji, vagadziri vanogona kusimudzira kuvimbika uye kuita kwePCBs, vachizadzisa zvinodiwa zvemazuva ano kugadzira zvemagetsi.