Chii Chinoreva SMT?

Chii Chinoreva SMT?

Surface-Mount Technology (SMT) inzira yakakosha mukugadzira zvemagetsi zvemazuva ano. Inosanganisira kuiswa kwakananga kwezvinhu zvemagetsi pamusoro pebhodhi rakadhindwa redunhu, rinowanzo kunzi PCB.

SMT, acronym yeSurface Mount Technology, inoshanda seye indasitiri chiyero chekuisa zvinhu zvemagetsi zvakanangana nemaPCB. Munyika yanhasi yemagetsi anogadzirwa nekutengesa, midziyo yakaoma kunzwisisa yaimbove isingagoneki kugadzira pachishandiswa zvinhu zvechinyakare uye nzira dzekugadzira nemanyorero zvava kuitwa kuti zvikwanisike kuburikidza neSMT. Kusiyana neakare matekinoroji aivimba newaya inotungamira uye nemaoko solder, SMT inogonesa kusungirirwa kwakananga kwezvikamu pamusoro peakadhindwa edunhu mabhodhi.

Zvinenge zvese zvigadzirwa zvemagetsi zvinogadzirwa nhasi zvinoshandisa SMT. Iyi tekinoroji inopa akawanda mabhenefiti maererano nemutengo-kushanda, kugadzira zvakanaka, uye kuchengetedza kwevashandi, kushandura indasitiri yekugadzira kubva kuma1970s. Iko compactness, otomatiki, uye kugona kusangana kwakagoneka neSMT kwakatungamira kune kuvandudzwa kukuru mukuvimbika kwemagetsi uye kukosha kwese kwese kuchengetwa kwemutengo.

Panzvimbo yekuvimba nemitungamiri uye waya dzekubatanidza, zvikamu zveSMT zvakamisikidzwa paPCB uye zvinotengeswa zvakananga kumusoro kwebhodhi. Yakasiyana-siyana mapakeji masitayipi aripo eSMT zvikamu, zvinosanganisira passive zvinhu, transistors, diode, uye akasanganiswa maseketi. Iko kuita kwakasiyana-siyana kwezvikamu zveSMT kunobvumira vagadziri kuti vagadzire maPCB akagadziridzwa anoenderana nezvinodiwa nevatengi vavo. Iko kuenderera mberi kufambira mberi mu tekinoroji yepamusoro-soro kwakawedzera huwandu hwezvinhu zviripo, kupfuura izvo zvaimbogoneka nemaitiro echinyakare anotungamira. Mumakumi mashanu emakore apfuura, tekinoroji yepamusoro-soro yakaita basa rakakosha mukusimudzira kukura kune akasiyana siyana maindasitiri.

SMT inomiririra yakanyanya otomatiki maitiro inobvisa kukanganisa kwevanhu, ichiunza kuwanda kwezvakanaka zvinosimudzira maitiro ekugadzira. Maitiro eSMT anokurumidza uye anodhura zvakanyanya, zvichitungamira mukuderedzwa zvikanganiso uye kuderera kwepamusoro mutengo. Zvakare, iyo diki saizi yepamusoro-gomo tekinoroji inogonesa kugadzirwa kweakawanda compact zvigadzirwa. Zvidiki zvemukati zvinoturikira kukudzikisira kurongedza kwekunze, diki diki, uye kufambira mberi kwetekinoroji.

Kushandisa SMT kunopa zviuru zvemabhenefiti, zvinosanganisira mabhenefiti ezvakatipoteredza senge kuderera kwekupokana panzvimbo dzekubatanidza, kuchinjika kuchinjika mukuvaka akadhindwa edunhu mabhodhi, otomatiki yakagadziridzwa, kuwedzera kwechikamu density, madiki uye akareruka mabhodhi, mashoma akacherwa maburi, gungano rakarerutswa, uye mashandiro akavandudzwa. . Surface-Mount tekinoroji inofambisa kugadzirwa kweakanyanya kudhindwa akadhindwa edunhu mabhodhi maassemblies (PCBAs), ayo anozotsigira kugadzirwa kwakawanda mukati mehuwandu hwemaindasitiri.

Iko Evolution uye Ramangwana reSurface Mount Technology (SMT)

Munzvimbo yePrinted Circuit Board Assembly (PCBA), nzira mbiri dzekutanga dzekugadzira dzakagara dzichibata: Kuburikidza neHole Technology uye Surface Mount Technology (SMT). Kunyange zvazvo imwe neimwe iine nzvimbo yayo, SMT yakabuda sesimba guru, nekuda kwekushanda kwayo, kunyatsoita, uye kugadzirisa. Asi SMT yakavapo sei, uye ramangwana reiyi tekinoroji yakakosha?

Kuberekwa kweSurface Mount Technology

Usati waongorora shanduko uye remangwana reSMT, zvakakosha kuti unzwisise midzi yayo. Surface Mount Technology yakabuda semhinduro kune zvisingakwanisi kuburikidza neHole Technology, iyo yaive yega sarudzo yevagadziri kusvika kuma1960s. Kuburikidza negomba gungano, nepo yakavimbika, yaive nguva-yakawanda uye yaisagona kuenderana nekukura kuri kudiwa kwemabhodhi edunhu sezvo tekinoroji yakakwira.

Muma1960, Surface Mount Technology yakatora matanho ayo ekutanga, ichipa imwe nzira yekusangana kwePCB. Iyi nzira itsva yaisanganisira kusungirira zvinhu zvakananga pamusoro pebhodhi redunhu rakadhindwa, kubvisa kudiwa kwemaburi nemitungamiri. SMT yakakurumidza kuwana traction nekuda kwekuita kwayo uye kuchinjika.

Kubatanidzwa kweSMT uye Kufambira mberi

Ma1970 nema1980 akapupurira kubatanidzwa kuzere kweSurface Mount Technology muPCB kugadzira uye kusangana. Iyi otomatiki gungano maitiro akachinja indasitiri, zvichiita kuti PCB vaunganidze kuti vape nekukurumidza kutendeuka nguva, kuchengetedza zvemhando yepamusoro, uye kuderedza mutengo wevashandi. Kugona kweSMT kwakavhurawo mikova kune yakakwirira-density PCBAs, kusanganisira mbiri-mativi PCB magungano uye makuru mavhoriyamu zvigadzirwa.

Sezvo tekinoroji ichifambira mberi, SMT yakaramba ichishanduka. Vagadziri vakashandisa simba reSMT kugadzira madiki-magungano ane zvikamu zvishoma zvePCB. Iyo otomatiki inowanikwa muSMT yakabvumira kunyatsoita, otomatiki soldering, kuderedza kudiwa kwenzvimbo yakakura pakati pezvikamu. Uku kuchinjika kuzvikamu zvidiki kwaida mwero wepamusoro wekurongeka, uchifarira SMT pamusoro peKuburikidza neHole Technology.

Mabhenefiti eSMT akawedzerwa kupfuura kudzikiswa saizi. Yakagonesawo mazano ekudzikamisa nyaya dzegungano dzakajairwa senge maPCB akapisa uye simbi isina kukwana. Iyi otomatiki, ine majoini ayo anowirirana uye anovimbika ekutengesa, inovandudza huwandu hwechigadzirwa mhando uye kuvimbika.

Rwendo rwurikuenderera mberi rweSMT

Tichitarisa kumberi, ramangwana reSurface Mount Technology rinoramba rakajeka. Iyo ine nhoroondo yakapfuma yekuchinjisa, uye maitiro aya akaiswa kuti aenderere mberi. Sezvo maPCBA akatarisana nekuwedzera kudiwa uye kunetseka kwezvakatipoteredza, maitiro eSMT akashanduka kuti agadzirise vatengesi veRoHS (yemahara). Vagadziri uye vanounganidza vanoramba vakazvipira kusangana nezvinodiwa nevatengi nekugara pamberi peSMT hunyanzvi.

Nhoroondo ine simba yeSMT yekuvandudza haina kungobvumira indasitiri yePCB kuti ibudirire asi yakavhura nzira yetekinoroji uye zvigadzirwa. Kuenderera mberi kwayo kushanduka kunovimbisa kuti inoramba iine simba rakakosha uye rine simba mukugadzirwa kwemagetsi. Semaindasitiri, vatengi, uye vagadziri vanonetsana nezvinogara zvichichinja zvinodiwa, Surface Mount Technology yakamira yakagadzirira kuchinjika, ichipa epamusoro-notch masevhisi uye mhinduro dzezvinetso zveramangwana.

Kufananidza Kuburikidza neHole Tekinoroji uye Surface Mount Technology (SMT)

Munzvimbo yePrinted Circuit Board Assembly (PCBA), nzira mbiri dzekutanga dzakashandiswa mumakore apfuura: Kuburikidza neHole Technology (THT) uye Surface Mount Technology (SMT). Idzi nzira imwe neimwe ine simba rayo uye mashandisiro, uye kunzwisisa mutsauko wadzo kwakakosha pakugadzira uye inoshanda PCB.

Kuburikidza neHole Technology (THT)

THT, iyo yekare yenzira mbiri idzi, inosanganisira kuisa chikamu chinotungamira mumakomba anocherwa muPCB isina chinhu. Kunyange yaive tsika yakajairwa kusvika kuma1980s, THT haina kupera mukukanganwa-ichiri ine niche yekushandisa uye zvakanakira zvinoita kuti ive yakakosha kunyangwe nhasi.

Imwe yemabhenefiti akakosha eTHT kuvimbika kwayo, kunyanya kana zvasvika kune zvigadzirwa zvinoda hukama hwakasimba pakati pezvikamu zvePCB. Zvikamu zveTHT zvinodzivirirwa nemitoo inopfuura nemubhodhi, zvichiita kuti zvigadzirise zvakanyanya kune zvinonetsa kwezvakatipoteredza senge tembiricha yakanyanyisa, kudhumhana, kumhanyisa, uye mamiriro ekunze. Izvi zvinoita kuti THT ive sarudzo inosarudzika yekunyorera mune aerospace uye maindasitiri emauto.

Uyezve, THT inogona kuve yakakosha pakuedza uye prototyping zvinangwa, kunyanya mumamiriro ezvinhu apo gadziriso yemanyorero kana kutsiva kwechikamu kungadikanwa. Inopa nyore kuwana uye kuchinjika kune akadaro mamiriro.

Pasinei nekuderera kwayo mukuzivikanwa, THT haina kunyangarika kubva kuPCBA landscape. Zvinhu zvakaita sekuwanikwa kwechikamu uye mutengo uchiri kutonga mashandisirwo ayo, uye mune dzimwe nguva, tekinoroji yeTHT inoramba ichidhura-inoshanda. Kunyangwe ichigona kutorwa seyechipiri sarudzo, kuwanikwa kwayo kwakakosha kuti vagadziri vape kune zvakasiyana siyana zvinodiwa.

Surface Mount Technology (SMT)

SMT, kune rumwe rutivi, inobvumira zvikamu kuti zvigadzirwe zvakananga pamusoro pePCB. Iyi nzira yemazuva ano, iyo yakatanga kumakore ekuma1960 uye yakawana kushandiswa kwakapararira muma1980s, yave iyo yekona yePCB dhizaini nekugadzira. Nhasi, zvinenge zvese zvemagetsi zvemagetsi zvinoshandisa SMT.

SMT inozvirumbidza akati wandei mabhenefiti pamusoro peTHT:

1. Chikamu Saizi: Zvikamu zveSMT zvidiki, zvichigonesa kugadzirwa kwemakompakiti uye akazara maPCB.
2. Hapana Makomba ekuchera: Kusiyana neTHT, SMT haidi kuti maburi aburitswe kuburikidza nePCB, kuderedza mutengo wekugadzira uye nguva.
3. Kukwirisa-Mamativi maviri: Zvikamu zveSMT zvinogona kuiswa pamativi ese ePCB, zvichiwedzera kushandiswa kwenzvimbo.
4. High Component Density: SMT inobvumira nhamba yepamusoro yezvikamu zviduku, zvichiita kuti PCBs dzive dzakasimba nekuwedzera kushanda.

Iyo otomatiki inowanikwa muSMT maitiro anobatsira zvakanyanya mukuita kwayo. Michina yekusangana yeSMT inogona kuisa zviuru nemakumi ezviuru zvezvikamu paawa panguva yegungano, ichiwedzera kuburitsa kweTHT maitiro, ayo anowanzo kubata zvisingasviki chiuru zvikamu paawa. Pamusoro pezvo, kushandiswa kwemaovheni akarongedzerwa muSMT kunovimbisa kuvimbika uye kudzokororwa solder majoini ekuumbwa, kuderedza mukana wekukanganisa.

SMT zvakare inokunda mukuita uye kugadzikana, kunyanya munzvimbo dzinoratidzwa nekudedera uye mechanical kusagadzikana.

Kufunga uye Ramangwana Outlook

Nepo SMT iriyo simba guru mukugadzira PCB, haina kuipa kwayo. Iyo dzimwe nguva inogona kusavimbika zvishoma kana ichiiswa kune yakanyanyisa mechanical kusagadzikana, uko THT inochengeta mupendero.

Sezvo tekinoroji iri kuramba ichifambira mberi, SMT ingango chengetedza chimiro chayo senzira inosarudzika yezvizhinji zvekushandisa nekuda kwekuita kwayo, kudhura, uye kuchinjika. Nekudaro, zvakakosha kuti uzive kuti pachagara paine zviitiko zvakakosha mumakanika, magetsi, uye nemafuta ekugadzira izvo zvinoda iyo yakasarudzika hunhu hweTHT. Nekuda kweizvozvo, THT icharamba ichishanda seyakakodzera yechipiri sarudzo munyika yePCBA.

Kazhinji, sarudzo pakati peTHT neSMT inoenderana nezvinodiwa zvepurojekiti. Nzira yega yega ine zvayakanakira nezvayakaipira, uye kunzwisisa misiyano yavo kwakakosha pakuita sarudzo dzine ruzivo mukugadzira PCB.

Panyaya dzesarudzo dzekugadzira dzine chekuita neizvi, Highleap inonyorawo nezveSMT PCB assembly uye PCB assembly service , izvo zvinogona kubatsira kudzivirira zvinyorwa zvisina kujeka mupakeji yequote.

Kuenzanisa Surface Mount Technology (SMT) uye Chip-on-Board (COB) Technology

Surface Mount Technology (SMT) uye Chip-on-Board (COB) tekinoroji inzira mbiri dzakasiyana dzekusangana kwemagetsi chikamu pamabhodhi edunhu akadhindwa (PCBs). Vanoshandira zvinangwa zvakasiyana uye vane seti yavo yezvakanakira nezvayakaipira. Ngationgororei mutsauko uripo pakati peSMT neCOB:

Surface Mount Technology (SMT)

SMT inosanganisira kukwidza zvinhu zvakananga pamusoro pePCB uchishandisa solder. Inoshandiswa zvakanyanya muindasitiri yemagetsi uye inopa akati wandei mabhenefiti:

Zvakanakira zveSMT:

1. Versatility: SMT inokodzera huwandu hwakawanda hwezvinhu zvemagetsi, zvinosanganisira passive components, transistors, uye integrated circuits.
2. High Component Density: SMT inobvumira kuiswa kwenhamba huru yezvikamu zviduku paPCB, zvichiita kuti pave nepamusoro-soro yezvikamu uye compact designs.
3. Mutengo-Kubudirira: SMT inodhura-inoshanda pakugadzirwa kwepamusoro-soro nekuda kwekuita kwayo otomatiki uye nekukurumidza kuungana.
4. Inoshanda Kupisa Kugovera: Zvikamu zveSMT zvinogovera kupisa zvakanaka, zvichibatsira pakuvandudza kuvimbika.
5. Kuchengetedza Nzvimbo: Zvikamu zveSMT zvine compact uye hazvidi kuti maburi acherwe kuburikidza nePCB.

Zvakaipa zveSMT:

1. Mechanical Stress: SMT inogona kusasimba kusimba kwemagetsi uye kudedera kana ichienzaniswa nedzimwe nzira dzegungano.
2. Higher Defect Rate: SMT inogona kunge iine chirema chepamusoro mune mamwe maapplication, zvichikanganisa mutengo wekugadzira.

Chip-on-Board (COB) Technology

COB tekinoroji inosanganisira kubatanidza isina semiconductor machipisi zvakananga paPCB uye nekuabatanidza uchishandisa conductive kana isiri-conductive epoxy. Inowanzo shandiswa mumashandisirwo akasarudzika:

Zvakanakira zveCOB Tekinoroji:

1. Miniaturization: COB inokodzera miniaturized maseketi uye mashandisirwo eLED uko nzira dzemagungano dzechinyakare dzinogona kusasangana nezvinodiwa zvekugadzira.
2. Yepamusoro Inotungamira Kuverengera: COB inogona kugarisa yakakwirira inotungamira kuverenga uye inoshanda zvishandiso.
3. Dziviriro: COB inoshandisa epoxy resin kuchengetedza iyo silicon kufa kubva mukuvhunduka uye chiedza.
4. Tsika Coatings: COB inobvumira kupfekedzwa kwetsika uye inogona kushandiswa mumativi maviri-akapetwa akawanda-akaiswa mabhodhi.
5. Wide Application Range: COB tekinoroji inogona kuiswa mune dzakasiyana siyana tembiricha.

Zvakaipa zveCOB Technology:

1. Yakakwira Mari Yekugadzirisa: COB LED mapakeji anogona kunge ane mari yepamusoro yekugadzirisa.
2. Lower Pass Rate: COB inogona kuva yakaderera chiyero panguva yekugadzira, inogona kuwedzera mutengo wekugadzira.
3. Yakasiyana Chiedza Hunhu: COB uye SMT maLED anogona kupa akasiyana mwenje mhando nekuda kwemaitiro avo akasiyana egungano.

Muchidimbu, SMT inzira yekubatanidza uye inodhura-inoshanda yakanakira huwandu hwakawanda hwezvinhu zvemagetsi uye maapplication. COB, kune rumwe rutivi, ine hunyanzvi uye inokunda mumaseketi madiki uye ma LED application. Sarudzo pakati peSMT neCOB zvinoenderana nezvinodiwa chaizvo zvepurojekiti, kusanganisira zvinhu zvakaita sechikamu chechikamu, vhoriyamu, uye mamiriro ezvakatipoteredza. Imwe neimwe tekinoroji ine zvayakanakira nezvayakaipira, zvichiita kuti ive yakakodzera kune akasiyana mamiriro mukati meindasitiri yemagetsi.

Ndeupi Musiyano Pakati peSMT neSMD?

SMT (Surface Mount Technology) uye SMD (Surface Mount Device) maviri ane hukama asi akati siyanei mazwi anoshandiswa mumamiriro ezvinhu emagetsi zvinhu uye kugadzira. Heino musiyano pakati pezviviri izvi:

SMT (Surface Mount Technology): SMT inoreva nzira yese kana maitiro ekumisikidza zvinhu zvemagetsi zvakananga pamusoro pebhodhi rakadhindwa redunhu (PCB). Inosanganisira iyo yese yekugadzira maitiro, kusanganisira kuiswa, soldering, uye kusangana kwezvikamu paPCB. SMT inosanganisira kushandisa zvimedu zvakagadzirirwa kukwirisa pamusoro, zvichipesana nemaitiro echinyakare kuburikidza nemaburi.

SMD (Surface Mount Device): SMD inoreva zvakananga kune ega ega emagetsi zvikamu zvakagadzirirwa kukwirisa pamusoro. Izvi zvikamu zvinowanzoita zvidiki muhukuru uye zvine chaiwo mapakeji masitayipi anovabvumidza kuti vaiswe zvakananga pamusoro pePCB. Zvikamu zveSMD zvinosanganisira resistors, capacitors, diodes, transistors, integrated circuits (ICs), uye zvimwe zvinoshanda uye passive zvemagetsi zvigadzirwa.

Mumashoko akareruka, SMT ndiyo nzira yekugadzira inosanganisira kukwirisa zvinhu zveSMD paPCB. Zvikamu zveSMD ndizvo chaizvo zvikamu zvinoshandiswa muhurongwa hweSMT. Saka, SMT ndiro izwi rakakura rinobatanidza maitiro ese, nepo SMD ichireva izvo zvikamu pachazvo.

Zvakakosha kucherechedza kuti mazwi eSMT uye SMD dzimwe nguva anoshandiswa zvakasiyana, uye mutsauko uripo pakati pawo unogona kusiyana zvichienderana nemamiriro ezvinhu. Kazhinji, zvakadaro, SMT inoreva maitiro, uye SMD inoreva zvikamu.

mhedziso

Kazhinji, tekinoroji yeSurface-Mount (SMT) yakachinja zvakanyanya mamiriro ekugadzirwa kwemagetsi. Kushanda kwayo zvakanaka, kushanda zvakanaka kwemari, uye kugona kwayo kugadzira maPCB madiki uye ane density yakakura kwakaita kuti ive chiyero cheindasitiri. Iyi tekinoroji yakachinja kugadzirwa kwemidziyo yemagetsi muzvikamu zvakasiyana-siyana.

Highleap , kambani inotungamira mukugadzira PCB & PCBA, yakaita basa guru mukukura kweSMT nekushandisa nekusimudzira tekinoroji iyi. Kuzvipira kwavo mukuvandudza zvinhu zvitsva uye kusangana nezvinodiwa nevatengi kwakabatsira mukubudirira nekukura kweSMT muindasitiri yezvemagetsi.

Sezvo tekinoroji ichienderera mberi, SMT inoramba ichichinjika uye yakagadzirira kugadzirisa matambudziko emangwana. Yakava chikamu chakakosha chekugadzirwa kwemagetsi, kutyaira kufambira mberi uye kugonesa kusikwa kwezvigadzirwa zvemagetsi zvepamberi.