Semiconductor Load Board PCB: Tataiso ea Setsebi ea Teko le Tlhahiso

Selelekela

Teko ea PCB ea Semiconductor Load Board e bapala karolo ea bohlokoa ho lekola ts'ebetso le ts'epahalo ea lisebelisoa tsa semiconductor pele ho tlhahiso ea bongata. Joalo ka sehokelo lipakeng tsa lichifi le lisebelisoa tsa tlhahlobo ea othomathike (ATE), liboto tsa mojaro li thusa ho netefatsa maemo a motlakase ka nepo, boits'oaro bo sebetsang, le botsitso ba nako e telele.

Mokhahlelo ona oa teko o etsa qeto ea tlhahiso, e supa likarolo tse nang le phoso, 'me e netefatsa litlhaloso tsa moralo maemong a fapaneng a ts'ebetso. Ntle le ts'ebetsong e nepahetseng ea boto ea thepa, bahlahisi ba ke ke ba tiisa boleng ba lisebelisoa kapa ho fihlela litekanyetso tse thata tsa indasteri.

Semiconductor Load Board PCB ke eng?

Tlhaloso le Mosebetsi oa Motheo

Semiconductor load board PCB ke boto e khethehileng e hatisitsoeng ea potoloho e hokahanyang sesebelisoa se tlas'a teko (DUT) ho lisebelisoa tsa tlhahlobo tse ikemetseng. Boto ena ea li-interface e fetisetsa lipontšo tsa liteko, matla, le likhokahano tsa fatše pakeng tsa tester le sesebelisoa sa semiconductor ka likopano tse nepahetseng tsa socket.

Likaroloana tsa Sebopeho

Sebopeho sa boto ea mojaro se kenyelletsa mekhahlelo e mengata ea matšoao bakeng sa phetiso ea data e potlakileng haholo, lifofane tsa motlakase tse inehetseng bakeng sa kabo e tsitsitseng ea motlakase, le mekhahlelo ea fatše bakeng sa phokotso ea lerata. Sebaka sa sebopeho sa teko se hokahana le li-contactor tsa ATE, ha sebaka sa sokete se amohela mefuta e fapaneng ea liphutheloana ho tloha ho QFN ho ea ho li-configurations tsa BGA.

Papiso le Liboto tse ling tsa liteko

Ho fapana le liboto tse cheleng tse shebaneng le libaesekele tse futhumatsang mocheso o phahameng, li-PCB tsa semiconductor load board li totobatsa botšepehi ba matšoao nakong ea tlhahlobo ea ts'ebetso. Likarete tsa probe li ikopanya ka kotloloho le lisebelisoa tsa boemo ba wafer, athe liboto tsa thepa li leka likarolo tse pakiloeng, li li etsa tsa bohlokoa bakeng sa netefatso ea boemo ba tlhahiso.

Teko ea PCB ea Semiconductor Load Board e Sebetsa Joang

Ho hlahloba Molao-motheo

ATE e hlahisa li-vector tsa liteko le ho fetisa matšoao ka boto ea mojaro ho ea DUT. Matshwao a karabo a kgutla ka tsela e tshwanang bakeng sa ho bapisa le boleng bo lebeletsweng. Botšepehi ba matshwao le ho bapisa ho sitisa ho bohlokoa nakong ea phetisetso e potlakileng ho thibela likhakanyo le ho boloka litekanyo li nepahetse.

Mefuta ea liteko e entsoe

Semiconductor load board PCB e thusa mekhoa e mengata ea ho netefatsa:

• Teko e sebetsang - E netefatsa ts'ebetso ea logic le litlhaloso tsa moralo khahlanong le boitšoaro bo lebelletsoeng.

• Teko ea Parametric - E lekanya litšobotsi tsa motlakase ho kenyeletsoa meeli ea motlakase, tšebeliso ea hona joale le liparamente tsa nako.

• Teko ea ho chesa kahare - E etsa hore lisebelisoa li sebetse nako e telele tlas'a maemo a khatello ho lemoha ho hloleha ha pele.

• Teko ea RF - E lekola karabelo ea maqhubu le boleng ba lets'oao bakeng sa lits'ebetso tsa semiconductor tse se nang mohala.

Mehaho ea Tsela ea Lipontšo

Tatelano ea liteko e latela tsela e hlalositsoeng moo mekhahlelo ea tlhahiso ea ATE e hokahantsoeng le mesaletsa ea boto, ho tsamaisa matšoao ka lihokelo tse nepahetseng ho lihokelo tsa socket. DUT e fumana tshusumetso ya teko mme e hlahisa dikarabo tse kgutlelang morao ka meaho ya motheo bakeng sa phumano ya data ya boemo ba nanosecond le tlhahlobo.

Lintlha tsa Moqapi oa Bohlokoa bakeng sa Li-PCB tsa Semiconductor Load Board

Botšepehi ba Pontšo ea Maqhubu a Phahameng

Tsela e laoloang ea impedance e boloka boleng ba mats'oao ho mehala ea phetisetso, hangata e etselitsoe lipara tse fapaneng tsa 50Ω kapa 100Ω. Bolelele bo khuts'oane bo fokotsa tieho ea phatlalatso ha likarolo tse sireletsang li thibela ho kopana lipakeng tsa liteishene tse haufi, haholo-holo tse bohlokoa bakeng sa meralo ea PCB ea boto e sebetsang ka holimo ho 1 GHz.

Litlhoko tsa Tsamaiso ea Mocheso

Teko ea semiconductor ea matla e hlahisa mocheso o moholo o hlokang maano a sebetsang a ho qhala . Li-vias tsa mocheso li fetisetsa mocheso ho tloha libakeng tsa likarolo ho ea ho likarolo tse ka ntle tsa koporo ha thepa e nang le mocheso o phahameng e aba mocheso ka ho lekana, e thibela libaka tse chesang tse amang ho nepahala ha tekanyo.

Moqapi oa Marang-rang oa Phatlalatso ea Matla

Lifofane tse nang le matla a fokolang a matla li fokotsa ho theoha ha motlakase nakong ea nako e telele. Li-decoupling capacitor tse lutseng haufi le libaka tsa DUT li fana ka matamo a tefiso a lehae ha libaka tse ngata tsa motlakase li hloka ho itšehla thajana ho thibela tšitiso lipakeng tsa li-circuits tsa analog le tsa dijithale nakong ea tlhahlobo ea PCB ea semiconductor load board.

Khetho e Phahameng ea Boitsebiso

Lisebelisoa tsa RFIC le matla a IC li hloka li-substrate tse khethehileng joalo ka laminate e khethehileng e nang le tahlehelo e tlase kapa Isola FR408HR. Lisebelisoa tsena li fana ka li-constant tsa dielectric tse tsitsitseng ho pholletsa le maemo a mocheso le li-tangent tse nang le tahlehelo e tlase bakeng sa matšoao a maqhubu a phahameng. Meaho ea mekhahlelo e mengata e nang le li-vias tse foufetseng le tse patiloeng e nolofalletsa ho tsamaisa lintho ka thata ha e ntse e boloka taolo ea impedance.

Mathata a Tlhahiso bakeng sa Li-PCB tsa Semiconductor Load Board

Litlhoko tsa ho etsa ka mokhoa o nepahetseng

Ho etsa thepa ea PCB ho hloka mamello e tiileng e nang le bophara ba trace le sebaka seo hangata se fihlang ho 3 mil kapa ho feta. Ho cheka ka laser ho fihlela li-microvias tse nyane ho feta 6 mils bophara bakeng sa likhokahano tse phahameng haholo ha ngoliso ea layer-to-layer e tlameha ho lula ka har'a 2 mils ho netefatsa hore e nepahetse ka ho tsamaisana.

Litlhaloso tsa Surface Finish

ENIG kapa ENEPIG plating e mamella lipotoloho tse likete tsa ho kenya ho tsoa ho li-sockets ntle le ho senyeha. Lithako tsena li fana ka libaka tse bataletseng bakeng sa ho hokahana ka mokhoa o tšepahalang le ho hanela oxidation nakong ea polokelo, ka lintlha tsa botenya ba khauta tse lekanyang litšenyehelo khahlano le litlhoko tsa nako e telele bakeng sa tikoloho ea tlhahiso.

Melao-motheo ea Teko ea Motlakase

Taolo ea boleng bakeng sa li-PCB tsa semiconductor load board e kenyelletsa netefatso e felletseng:

• Teko ea ho etsa lipatlisiso tse fofang - E netefatsa khokahano ho li-prototype tse se nang lisebelisoa tse khethehileng bakeng sa phetoho e potlakileng.

• Teko ea ka hare ho potoloho - E hlahloba sebaka sa likarolo le tataiso ho netefatsa ho nepahala ha kopano.

• Litekanyo tsa impedance - E netefatsa hore litšobotsi tsa mohala oa phetiso li lumellana le litlhaloso tsa moralo ka har'a mamello ea ± 10%.

• Netefatso ea ho tsoela pele - E netefatsa litsela tsohle tsa matšoao le likhokahano tsa motlakase pele ho kenngoa sokete.

Likopo tsa Teko ea Semiconductor Load Board PCB

IC le ASIC tlhahiso ea netefatso

Ho etsa thepa e phahameng haholo ho itšetlehile ka liboto tsa thepa ho shebella lisebelisoa ka lebelo le fetang li-unit tse 10,000 ka hora. Litlhophiso tsa libaka tse ngata li lekola li-chips tse ngata ka nako e le 'ngoe, li eketsa ts'ebetso ha li ntse li boloka ho nepahala ha litekanyo bakeng sa meralo ea dijithale, analog le lipontšo tse tsoakiloeng.

RF Module le Tlhahlobo ea Chip ea 5G

Maqhubu a maqhubu a millimeter a hloka meralo e khethehileng ea boto ea semiconductor ea PCB e nang le litšitiso tse laoloang ka nepo. Meaho ea calibration e lefella litlamorao tsa likokoana-hloko, e nolofalletsang litekanyo tse nepahetseng tsa phaello, palo ea lerata, le melaho ho tloha ho lihlopha tse ka tlaase ho 6 GHz ho ea ho tse 40 GHz.

Ho tšepahala ha Semiconductor ea Likoloi

Teko e atolositsoeng ea mocheso ho tloha ho -40°C ho isa ho 150°C e netefatsa ts'ebetso ho pholletsa le mekhahlelo ea ts'ebetso. Liboto tsa meroalo li kenyelletsa likamore tse futhumatsang le li-sockets tse khethehileng tse bolokang khatello ea ho ikopanya tlas'a katoloso ea mocheso, ho netefatsa hore ho latela litekanyetso tsa likoloi tsa AEC-Q100.

Sesebelisoa sa Matla le Sebopeho sa Analog IC

Liteko tsa morao-rao li lekanya ho hanyetsa, tahlehelo ea switching, le litšobotsi tsa mocheso. Likhokahano tsa Kelvin li felisa ho theoha ha motlakase litseleng tsa hajoale ha moralo oa semiconductor load board oa PCB o kenyelletsa likarolo tse boima tsa koporo le litselana tse pharaletseng ho sebetsana le maqhubu a fetang 100 amperes ka mokhoa o sireletsehileng.

Ho Khetha Moetsi ea Nepahetseng bakeng sa Semiconductor Load Board PCBs

Litekanyetso tse Bohlokoa tsa Tekolo

Bokhoni ba ho mamella ho hlahisa bo ama ka kotloloho ho nepahala ha tlhahlobo. Netefatsa hore morekisi o boloka litsamaiso tsa ts'ebetso bakeng sa impedance ka hare ho ± 10% le botenya ba lera ka hare ho ± 0.5 mil. Tšebelisano ea thepa ho pholletsa le -55 ° C ho isa ho 125 ° C mocheso o thibela ntoa nakong ea liteko tse ka senyang ho kopana ha socket.

Phihlelo ea Kopano ea ATE

Tsebo ea ho kenya li-socket e netefatsa ho tsamaisana hantle le kabo ea matla a ho ikopanya. Ho tloaelana le li-platform tse fapaneng tsa ATE ho tloha Teradyne, Advantest, le Cohu ho etsa hore ho be le kopanyo e se nang moeli ha netefatso ea ts'ebetso ea maqhubu a holimo ka litekanyo tsa S-parameter e tiisa botšepehi ba moralo pele ho tlhahiso ea tlhahiso.

fihlela qeto e

Teko ea PCB ea Semiconductor load board e ntse e le ea bohlokoa bakeng sa netefatso ea sesebelisoa le taolo ea boleng ba tlhahiso. Moqapi o nepahetseng o leka-lekanya botšepehi ka ho laola mekhoa ea ho thibela mocheso, tsamaiso ea mocheso ka mokhoa oa ho bea koporo, le ho tšepahala ka khetho e nepahetseng ea thepa. Ha ho rarahana ha semiconductor ho ntse ho eketseha ka li-node tse tsoetseng pele le maqhubu a phahameng, bokhoni ba boto ea mojaro bo tlameha ho fetoha ka nepo.

Highleap Electronics e fana ka litharollo tse felletseng tsa tlhahlobo ea semiconductor:

• Tlhahiso ea PCB e nepahetseng haholo - Ho laola mamello ho isa ho mesaletsa ea 3 mil ka ho bapisa impedance ka hare ho ± 10% bakeng sa botšepehi ba lets'oao.

• Tsebo e tsoetseng pele ea thepa - laminate e ikhethang e nang le tahlehelo e tlase, Isola, le laminate e nang le maqhubu a phahameng bakeng sa lits'ebetso tsa RF le tsa motlakase.

• Bokhoni ba mekhahlelo e mengata - Mekhahlelo e fihlang ho e 30 e nang le li-vias tse foufetseng le tse patiloeng bakeng sa litlhoko tse rarahaneng tsa sebopeho sa ATE.

• Potefolio e felletseng ea boto ea liteko - Liboto tsa ho kenya, liboto tse chesitsoeng, le likarete tsa probe tse tšehetsang litlhoko tse fapaneng tsa netefatso ea semiconductor.

Bakeng sa ditherisano tsa botekgeniki mabapi le ditlhoko tsa PCB tsa boto ya hao ya mojaro wa semiconductor kapa ho buisana ka ditharollo tsa teko tse ikgethileng bakeng sa ditsamaiso tsa hao tsa ATE, ikopanye le Highleap Electronics ho sebedisa boiphihlelo ba rona ba tlhahiso ya boto ya teko ya ho nepahala.