PCB Edge Plating | Edge Connectors & Applications

PCB edge plating inzira yakakosha mukugadzirwa kweakadhindwa edunhu mabhodhi (PCBs), anosanganisira plating yeyakafumurwa yemhangura yekubatanidza pamipendero yePCB ine simbi yesimbi segoridhe kana tin. Iyi nzira inofambisa kubatanidza magetsi uye inowedzera kuvimbika kwese kwebhodhi. Ichi chinyorwa chine chinangwa chekupa tarisiro yakazara yePCB edge plating, kusanganisira chinangwa chayo, mhando dzemapendero ekubatanidza, plating maitiro, nzira dzekuongorora, kuvimbika zvinhu, uye mafambiro emangwana muindasitiri.

Chinangwa chePCB Edge Plating

Chinangwa chekutanga chePCB kumucheto plating ndechekupa yakavimbika uye yakasimba nzira yekumisikidza kubatanidza magetsi pamucheto wePCB. Izvi zvinonyanya kukosha mumashandisirwo apo zvikamu zvinoda kuiswa nyore, kubviswa, kana kutsiviwa kubva kumagetsi masisitimu. Edge plating inovimbisa yakachengeteka uye yakagadzikana yekubatanidza, kuderedza njodzi yekutadza uye kuvandudza kuita kwese kwePCB.

Mhando dzeEdge Connectors

Edge zvinobatanidza zvinouya mune akasiyana masisitimu, imwe neimwe yakagadzirirwa chaiyo maapplication:

Single Row Edges

• Mutsara mumwe wevanobatika pamupendero webhodhi
• Mutengo wakaderera, wakaderera density
• Inokodzera prototypes kana yakaderera-yakaoma maapplication

Dual Row Edges

• Mitsara miviri inofambirana yematanho akadzika
• Inobvumira nhamba yepamusoro yekubatanidza
• Inovandudza mechanical alignment

Multi-Row Edges

• Inopfuura mitsetse miviri yevanobatika, kana mitsara pamipendero yakawanda
• Kuwedzera kunowedzera density yekubatanidza
• Inokodzera kuomarara PCB marongero

High Density Edges

• Mutengo wakatetepa kwazvo pakati pevanobatika
• Kusvikira ku600+ yekubatanidza pamupendero mumwe chete
• Inogona kushandisa dual-beam cantilever contacts kuti iwedzere kuvimbika

Chii chinofanira kutariswa nefekitari pakuita PCB board edge plating?

Paunenge uchigadzira PCB edge plating, mafekitori anofanirwa kutarisisa kune akati wandei akakosha maficha kuti ave nechokwadi chemhando uye kushanda kwemabhodhi.

1. Kusarudza Zvinhu: Kusarudza zvinhu zvakakodzera zvepuratifomu nepuratifomu kwakakosha. Zvinhu hazvifanirwe kungofambisa magetsi zvakanaka chete asiwo zvinodzivirira kushushikana kwezvakatipoteredza uye ngura inogona kuitika. Zvinhu zvinowanzo shandiswa puratifomu zvinosanganisira goridhe, tin, uye palladium-nickel, chimwe nechimwe chine mabhenefiti akasiyana nematambudziko.

2. Kuenzana uye Kukobvu kwePlating: Kuve nechokwadi chekuti plating yakakora zvakaenzana pamucheto wese wePCB kwakakosha pakufambisa uye kugara kwenguva refu. Kuenzana kweplating kunogona kukonzera nzvimbo dzisina kusimba apo ngura kana kupera zvinogona kuitika nekukurumidza. Mafekitori anofanirwa kutarisa nekudzora maitiro e electroplating nokungwarira kuti arambe akafanana uye asvike pakukora kushoma kunodiwa kuti agare kwenguva refu.

3. Kugadzira Mipendero Yakakodzera: Usati wagadzira mipendero, mipendero yePCB inofanira kugadzirwa nemazvo kuti ive nechokwadi chekuti jira racho rinonamira zvakanaka uye zvakaenzana. Chero kusakwana kuripo mukuita kwekugadzira kunogona kukonzera kusashanda zvakanaka kwejira, izvo zvinogona kukanganisa kubatana kwemagetsi uye simba remupendero wePCB.

4. Kudzora Hunhu uye Kuedza: Kuongorora mushure mekuputira kwakakosha. Izvi zvinosanganisira kutarisa kuti purasitiki yakavharwa zvakanaka here uye kuti yakabatana zvakanaka here, uye kuona kuti hapana zvikanganiso zvakaita semabhuru kana mipendero yakapinza zvinogona kukanganisa kuiswa nekubviswa kwePCB mumaburi ekubatanidza edge. Kuongororwa kwekuenderera mberi kwemagetsi kwakakoshawo kusimbisa kuti purasitiki yemupendero inopa nzira yakavimbika yekufambisa.

5. Kuedzwa Kwezvakatipoteredza uye Kushushikana: MaPCB akaiswa mumucheto anofanirwa kuongororwa zvakatipoteredza uye kushushikana kuti aite seari mumamiriro ezvinhu chaiwo. Kuedzwa uku kunogona kubatsira kufanotaura kuti madziro emucheto achaita sei pasi pekupisa kwakasiyana-siyana, hunyoro, uye kushushikana kwemakanika, zvichiita kuti maPCB ashande zvakavimbika munzvimbo dzaanotarisirwa.

Kana chirongwa ichi chachinja kubva pakutsvagisa kuenda kuRFQ, ongorora kusarudzwa kwezvikamu zvePCB uye kugadzirwa kwebhodhi remhangura yakawanda kuitira kuti zvinhu, maitiro, uye zvinodiwa pakuongorora zvirambe zvakaenzana.

Matanho ePlating eEdge Connectors

Edge anobatika anoda simbi plating kuti ipe conductivity uye kudzivirira maronda emhangura. Zvakajairika plating zvinhu zvinosanganisira:

• Ndarama: Yakawanda, inoshingirira kune oxidation uye corrosion
• Tin: Mutengo wakaderera asi unotapukirwa neoxidation nekufamba kwenguva
• Palladium-Nickel: Inodzivirira tin whisker nyaya, mutengo wakaderera
• Goridhe Flash pamusoro peNickel: Inosanganisa nickel inodhura nekunze kwegoridhe kuti igare yakasimba.

Ukobvu hwekuisa pasi, hwakaita se50 μin yegoridhe, hunodiwa kuti uve nechokwadi chekusimba pamusoro pegumi,10,000+ matendereji ekusangana.

Kuvandudza Edge Connector Kuvimbika: Zvinhu uye Maitiro

Edge connectors inoita basa rakakosha mukuona kuvimbika kwemidziyo yemagetsi. Zvakati wandei zvakakosha zvinokonzeresa kuita kwavo uye hupenyu hurefu:

Plating Ukobvu: Yakakora plating inowedzera hupenyu hwekutenderera uye kusimba kwese. PCB Ukobvu: Mabhodhi matete anogona kukotama pasi pekushushikana kwekubatana, zvichikanganisa mashandiro ekubatanidza. Bata Geometry: Mateki akagadzirwa zvakanaka anogona kumira zvirinani anodzokororwa kubatanidza masimba. Kusvibiswa: Kudzivirira tsvina, mafuta, kana zvimedu panguva yekubata uye kushandiswa kwakakosha.

Mushure mekusangana, zvakakosha kuita ongororo yakakwana kuchengetedza kunaka:

Kuenderera mberi: Spot tarisa conductivity yemagetsi kuburikidza nekubatanidza mated kuti ive nechokwadi chekushanda. Bata Engagement: Simbisa kuiswa kwakazara nekuona kudzivirira nyaya dzekubatanidza. Mako / Kukuvadzwa: Ongorora kupfeka, zvikwambo, kana kukuvara kunogona kukanganisa kushanda. Kusvibiswa: Tarisa kusavapo kwezvikamu kana mafirimu kubva pakubata kudzivirira kukanganiswa kwechiratidzo.

Zvakati wandei zvakatemwa uye zviyero zviripo kutungamira kugadzira nekuongorora maitiro, kuve nechokwadi chepamusoro-mhando yekubatanidza edge:

IPC-2223: Inodonongodza zvinodiwa zvechikamu chePCB edge contacts kuchengetedza kuenderana. IPC-6013: Inotonga kufanirwa uye kuita kweiyo mitsetse yekubatanidza kusangana neindasitiri zviyero. IPC/EIA J-STD-002: Inopa solderability bvunzo dzechikamu chinotungamira/kugumiswa, kuve nechokwadi chakakodzera nzira dzekutengesa. IEC 60352-5: Inotsanangura kuvimbika kuyedzwa uye zvinodiwa zvemapendero ekubatanidza, kuve nechokwadi chekuita kwavo kwenguva refu.

Nekuomerera kune izvi zvinhu uye zviyero, vagadziri vanogona kukwidziridza kuvimbika uye mashandiro emapendero ekubatanidza, pakupedzisira vachivandudza mhando yemidziyo yemagetsi.

Kugadzirisa Edge Connector Performance kuburikidza nePCB Layout

Pakugadzira marongerwo ePCB ane edge connectors, kutevedzera nhungamiro idzi kunogona kubatsira kugadzirisa mashandiro uye kuvimbika:

Deredza Hukobvu Hwese Bhodhi: Mabhodhi akaonda anoderedza njodzi yekukotama panguva yekubatanidza kubatanidza, kuve nechokwadi chekubata kwakakodzera.
Ita shuwa Yakaringana Board Rigidity: Mabhodhi akaomarara anodzivirira kuchinjika, izvo zvinogona kukuvadza chinongedzo kana kukanganisa chiratidzo chekuvimbika.
Dzivisa Kuisa Zvikamu Padivi peConnector Edge: Zvikamu zviri padyo nemupendero zvinogona kukanganisa kupinza kwekubatanidza uye kubviswa.
Sanganisira Generous Fillets paTrace Corners: Smooth, curved shanduko inoderedza kushushikana pfungwa, kuvandudza kusimba.
Fanout Inner Layer Traces Zvishoma nezvishoma: Zvishoma nezvishoma fanout inodzikisira njodzi yezviratidzo zvekuvimbika uye inoita kuti nzira ive nyore.
Nekuomerera kune aya madhiraivha, vagadziri vanogona kusimudzira mashandiro uye kuvimbika kweanobatanidza mapendekete muPCB marongero avo, pakupedzisira anovandudza huwandu hwese hwechigadzirwa chemagetsi.

Edge Connector Zvishandiso uye Remangwana Trends

Edge connectors zvinhu zvakasiyana-siyana zvine maapplication mumaindasitiri akasiyana siyana, anosanganisira:

• Makomputa: Anoshandiswa mumakadhi emwanasikana, mamodules endangariro, uye ndege dzekudzokera kumashure kwekubatana kwakavimbika.
• Telecom: Yakakosha pakuchinja makadhi, router makadhi, uye base zviteshi, kuve nechokwadi chekutaurirana kusina musono.
• Mauto / Aerospace: Yakakosha kune masisitimu emishini uye makadhi ekufambisa munzvimbo dzinodiwa.
• Chiremba: Inoshandiswa muMRI, ultrasound, uye makadhi ekufungidzira emidziyo yekurapa chaiyo.
• Motokari: Inowanikwa mumayuniti ekudzora injini uye zvikwata zvezviridzwa, zvichigonesa kushanda kwemotokari.
• Consumer Electronics: Inoshandiswa mumabhokisi-epamusoro mabhokisi uye mutambo consoles yekubatanidza uye kushanda.

Mafambiro emangwana mune edge yekubatanidza tekinoroji anotarisa mukusimudzira mashandiro uye kushanda:

• Kuwedzera Density: Kugadzira majoini ane akawanda anobatika mumabhodhi matete kuti agare akaomesesa ekubatanidza.
• Yakakwirira Frequencies: Kuwedzera chiratidzo chekuvimbika kutsigira 10+ Gbps mazinga, kusangana nezvinodiwa zvekumhanya-mhanya kwedhata.
• Yakavandudzwa Kusimba: Kumisikidza yepamusoro plating uye kubata kuumbwa kuti ive nechokwadi chekuti majoini anogona kumira zviuru gumi,10,000+ mating cycles.
• Mutengo Wakaderera: Kurerutsa maitiro ekugadzira kudzikisa mitengo yekugadzira uye kugonesa kutorwa kwakakura kwemaeji ekubatanidza mukushandisa kwakasiyana.

Kufambira mberi uku kunoratidza ramangwana rakavimbiswa reedge connector tekinoroji, nekuenderera mberi nekuvandudza kutyaira mukuita, kuvimbika, uye kugona mumaindasitiri.

mhedziso

Kazhinji, PCB edge plating uye edge connectors dzinoshanda senzira dzekubatanidza dzinoshandiswa zvakasiyana-siyana uye dzisingadhuri uye dzinoshandiswa zvakanyanya kune subsystems, makadhi, uye mamodules anogona kutsiviwa mumaindasitiri akasiyana-siyana. Kufambira mberi kuri kuitika mu tekinoroji yeplating, zvinhu zvebhodhi, uye matekiniki ekugadzira nemazvo kuri kuwedzera mashandiro, kuvimbika, uye kushanduka-shanduka kwe edge connectors. Kuvandudzwa uku kunovimbisa kuramba kuripo kwe edge connectors mune ramangwana rekugadzira zvemagetsi.