ATE Interface Board: Mehaho e Bohlokoa ea Moralo le Tlhahiso

Selelekela

Mekhoa ea Lisebelisoa tsa Teko tse Iketsang e hloka ho tsamaisa matšoao ka nepo le likhokahano tse tšepahalang ho etsa liteko tse nepahetseng tsa semiconductor. Ho rarahana ha tsela ea matšoao libakeng tsa sejoale-joale tsa ATE ho hloka litharollo tse khethehileng tsa sebopeho tse bolokang botšepehi ba matšoao ha li ntse li fana ka botsitso ba mechini. Boto ea Sebopeho sa ATE e sebetsa e le borokho ba bohlokoa lipakeng tsa sistimi ea ATE le boto ea mojaro, e netefatsang phetoho e tšepahalang ea matšoao le ho lumellana ha mechini nakong ea liteko tsa semiconductor.

E behiloe lipakeng tsa mainframe ea ATE le boto ea mojaro, e sebeletsang mesebetsi e meraro ea mantlha: ho tsamaisa matšoao le maemo, ho ikamahanya le maemo lipakeng tsa maemo a fapaneng a sehokelo, le ts'ireletso ea motlakase bakeng sa mohlahlobi le sesebelisoa se tlas'a teko. Ho fapana le liboto tsa potoloho tse hatisitsoeng tse tloaelehileng, karolo ena e tlameha ho fihlela litlhoko tse thata bakeng sa taolo ea impedance, nako e telele ea potoloho ea ho kenya, le ho nepahala ha tekanyo ho boloka ho nepahala ha liteko ho potoloha likete tsa litekanyo.

Mosebetsi oa Boto ea ATE Interface Board

Boto ea li-interface ea ATE e laola sebaka sa bohlokoa sa phetoho moo matšoao a sistimi ea liteko a fetohang ho tloha sebopehong sa sehokelo sa sehokelo se phahameng ho ea ho sebopeho se ikhethileng sa sesebelisoa sa board board. Karolo ena e tsamaisa liteishene tse ngata, hangata e sebetsana le lintlha tse makholo kapa tse likete ka nako e le 'ngoe.

Ketane ea matšoao e latela tsela e hlalositsoeng: Lihokelo tsa ATE mainframe li fetisetsa matšoao ho boto ea li-interface, e li tsamaisang ka mesaletsa e ntlafalitsoeng ho ea libakeng tsa khokahano ea boto ea mojaro, qetellong li fihla sesebelisoa se lekoa. Boto e sebelisa ho fokotsa le ho sefa ho latela maemo ho latela litlhoko tsa tlhahlobo, ho thibela lerata le sa batleheng ho ama ho nepahala ha tekanyo.

Taolo ea Channel ea Letšoao

Boikarabello bo ka sehloohong ba boto ea li-interface bo kenyelletsa ho laola likanale tsa matšoao lipakeng tsa khokahano ea boto ea ho jarolla le ho boloka boleng ba matšoao. Seteishene se seng le se seng se hloka ho tsamaisana ha motho ka mong le taolo ea bolelele ho boloka likamano tsa nako ho pholletsa le bese ea liteko. Matshwao a dijithale a maqhubu a phahameng le ditekanyo tse nepahetseng tsa analoge di hloka maano a fapaneng a ho thibela ho kopana le tšitiso.

Kabo ea Matla le ho Theha fatše

Kabo ea motlakase le taolo ea lifofane tse fatše li etsahala ka lifofane tse entsoeng ka hloko tse fokotsang ho theoha ha motlakase le ho putlama ha lefatše nakong ea liketsahalo tsa ho fetoha ka lebelo le phahameng. Meaho ea boto ea ATE interface hangata e kenyelletsa matla a inehetseng le litsela tsa ho khutla bakeng sa sehlopha ka seng sa matšoao, ho netefatsa lifofane tse hloekileng tsa litšupiso ho pholletsa le tsela ea matšoao.

Tšireletso ea Sebopeho sa Sistimi

Li-circuits tsa ts'ireletso tse hahelletsoeng ka hare li sireletsa lisebelisoa tsa ATE tse theko e phahameng hore li se ke tsa senyeha nakong ea ho hloleha ha boto ea thepa kapa ho kenya sesebelisoa se fosahetseng. Meeli ea hajoale, clamping ea voltage, le lisebelisoa tsa ts'ireletso tsa ESD li hokahana le moralo oa boto ea li-interface ntle le ho senya bandwidth ea matšoao. Sebopeho sa mochine se fana ka ho lumellana ha 'mele le botsitso ba ho kopana le motlakase ka mekhoa ea ho hokahanya e entsoeng ka mokhoa o nepahetseng e mamellang ho kenngoa le ho tlosoa khafetsa.

ATE Interface Board Design Litlhahiso

Ntlafatso ea Tsela ea Lipontšo

Botšepehi ba pontšo bo qala ka liqeto tsa ho latela litsela tse fokotsang bolelele ba motlakase ha li ntse li boloka ho thibela ho laoloa ho pholletsa le tsela. Lintlha tsa bohlokoa tsa moralo li kenyelletsa:

• Tsela e lekanang - Lipara tse fapaneng li boloka khokahano e tiileng le sebaka se tsitsitseng ho boloka boleng ba lets'oao

• Ka ho fokotsa - Ka tsela e 'ngoe le e 'ngoe e hlahisa ho se tsitse ha impedance le bokhoni bo eketsehileng litseleng tsa bohlokoa

• Taolo ea Crosstalk - Sebaka se lekaneng sa ho latela mohlala, mesaletsa ea tšireletso e nang le li-via tsa ho thella, le kabelo ea lera la maano li thibela tšitiso

• Ho tswela pele ha tsela ya ho kgutla - Tsamaiso e hlokolosi ya sefofane le ka ho roka ho boloka botsitso ba letshwao haufi le diphetoho tsa lera

Lisebelisoa le Khetho ea Stack-up

Khetho ea thepa e ama ka ho toba ts'ebetso ea lets'oao boto ea sebopeho sa ATE. Li-substrate tse nang le Dk e tlase le Df e tlase tse kang laminate e khethehileng e nang le tahlehelo e tlase kapa Panasonic Megtron 6 li fana ka litšobotsi tse phahameng tsa maqhubu a phahameng ha li bapisoa le FR-4 e tloaelehileng. Botenya ba dielectric pakeng tsa mekhahlelo ea matšoao le lifofane tsa litšupiso bo khetholla impedance e ikhethang, e hlokang taolo e nepahetseng nakong ea tlhahiso ho boloka boleng ba sepheo ka har'a mamello e thata.

Li-stack-ups tse nang le mekhahlelo e mengata hangata li tloha ho mekhahlelo e robeli ho isa ho tse mashome a mabeli ho latela boima ba kanale le ho rarahana ha mats'oao. Boto e boetse e tlameha ho kopana le litlhaloso tsa mochini tse bataletseng, hangata tse hlokang lisebelisoa tse nang le coefficient e tlase ea katoloso ea mocheso ho boloka botsitso ba maemo ho phapano ea mocheso nakong ea tlhahlobo.

Sebopeho sa Mechanical le Modularity

Khetho ea sehokelo le ho beoa li tlameha ho ikamahanya hantle le litekanyetso tsa sistimi ea ATE, ebang ke Teradyne UltraFLEX, Advantest V93000, kapa sethala se seng sa liteko. Sethala se seng le se seng se hloka lihokelo tse khethehileng tsa mochini tse nang le mamello e nepahetseng ea maemo. Melao-motheo ea moralo oa modular e lumella liboto tsa li-interface hore li hlophisoe bakeng sa mefuta e fapaneng ea boto ea mojaro ha li ntse li boloka khokahano e tloaelehileng ho ATE mainframe.

Likoti tse ntseng li kenngoa, liphatlalatso tsa moeli, le boholo ba kemiso ea boto li latela metako e khethehileng ea mohlahlobi ho netefatsa ho ema hantle le ho tsamaisana hantle. Masoba a lisebelisoa le matšoao a fiducial li thusa ho kopanya hantle le ho fana ka lintlha tsa litšupiso bakeng sa litsamaiso tse ikemetseng tsa tlhahlobo ea optical tse netefatsang ho nepahala ha sebaka sa sehokelo.

Lintlha tsa Tlhahiso le ho Tšepahala bakeng sa Liboto tsa ATE Interface

Ho nepahala ha tlhahiso bakeng sa boto ea li-interface tsa ATE ho feta litekanyetso tse tloaelehileng tsa PCB ka lebaka la mofuta o mahlonoko oa likhokahano tsa bahlahlobi le litšenyehelo tse phahameng tsa ho theoha ha sistimi ea liteko. Ho fapana le li-PCB tse tloaelehileng, Boto ea ATE Interface e hloka ho nepahala le ho tsitsa ha mochini ho netefatsa khokahanyo e tsitsitseng ea liteko.

Fabrication Precision Litlhoko

Lintlha tsa bohlokoa tsa tlhahiso li kenyelletsa:

• Ho nepahala ha ho beoa liphaephe - Mamello ea ± 0.001 inch (25 μm) e netefatsa ho nyalana ka sehokelo se tšepahalang ka lintlha tse likete tsa ho ikopanya
• Ngoliso ea lera - Mamello e thata e bolokiloe ka ho ts'epahala le taolo ea ho se sebetse ka har'a stack ea boto
• Lifofu le ho patoa vias - Ts'ebetso e nepahetseng ea ho cheka le lisebelisoa tsa laser li boloka khokahanyo ea motlakase ntle le ho khaotsa ho sitisoa
• Khetho ea ho qetela ea sefahleho - ENIG, ho roala khauta e thata, kapa ho khetha khauta e khethiloeng ho latela litlhoko tsa potoloho ea ho kenya

Tšepahala le Teko

Teko ea botsitso ba mocheso e netefatsa hore boto e boloka lintlha tse bataletseng ho pholletsa le mefuta ea mocheso oa ts'ebetso, ho thibela ho se tsamaisane hantle ha sehokelo nakong ea ho palama baesekele. Litekanyo tsa khanyetso nakong ea tlhahlobo ea mangolo li netefatsa hore litsela tsohle tsa matšoao li kopana le litekanyetso tse phahameng tsa ho hanyetsa esita le ka mor'a hore ho kenngoe lipotoloho tsa bophelo bohle.

ATE Interface Board vs Load Board: Liphapang tsa Bohlokoa

Boto ea sebopeho sa ATE le boto ea mojaro li sebeletsa mesebetsi e tlatsanang empa e fapane ka har'a meralo ea sistimi ea liteko. Boto ea sebopeho e hokela ka ho toba ho foreimi e kholo ea ATE 'me e shebane le phetoho ea matšoao, ho lumellana ha sistimi, le tšireletso ea foreimi e kholo. Boto ea mojaro e hokela sesebelisoa se tlas'a teko 'me e totobatsa kabo ea matšoao a itseng a sesebelisoa, tatellano ea matla, le phihlello ea lintlha tsa tekanyo.

Litšitiso tsa moralo li fapane haholo lipakeng tsa mapolanka a mabeli. Boto ea li-interface e tlameha ho ikamahanya le litekanyetso tse tsitsitseng tse hlalosoang ke moetsi oa ATE, ho boloka tšitiso e tsitsitseng ho pholletsa le mefuta e tloaelehileng ea likhokahanyo, 'me e pholohe likete-kete tsa mekoloko ea ho kenya. Moralo oa boto ea thepa o ikamahanya le sephutheloana se seng le se seng sa sesebelisoa se ikhethileng, o sebelisa li-circuits tsa liteko tse ikhethileng, 'me hangata o sebeletsa sehlahisoa se le seng kapa lelapa la sesebelisoa.

Lipalo tsa lera hangata li fihla ho boleng bo holimo libotong tsa li-interface ka lebaka la ho teteana ha likanale tsa litsela ho tsoa ho lihokelo tsa mainframe, ha liboto tsa thepa li ka kenyelletsa likarolo tse ling tse kentsoeng bakeng sa mesebetsi e ikhethileng ea sesebelisoa. Linako tse etellang pele tsa tlhahiso le tsona lia fapana, ka liboto tsa li-interface tse atisang ho hlokomeloa e le lintho tsa lethathamo la li-platform tse tloaelehileng tsa ATE, ha liboto tsa thepa li etsoa ka tloaelo bakeng sa mananeo a khethehileng a tlhahlobo.

Mehlala ea Ts'ebeliso ho ATE Systems

Advantest V93000 Platform

Sistimi ea Advantest V93000 e sebelisa likhokahano tsa lehare tse phahameng haholo tse hlokang liboto tsa sehokelo tse nang le tlhophiso e nepahetseng ea mochini le meralo ea lipalo tse phahameng ho amohela likete tsa liteishene tsa liteko. Hangata liboto tsena li sebelisa litekanyetso tse fapaneng tsa 50-ohm tse sa feleng kapa tse 100-ohm ho pholletsa le li-gigahertz tse ngata tsa bandwidth.

Teradyne UltraFLEX Platform

Li-platform tsa Teradyne UltraFLEX li sebelisa mahlale a fapaneng a likhokahano le lits'ebetso tsa mochini oa docking, tse hlokang meralo ea boto ea sebopeho sa ATE e tsamaellanang le pinout ea bona e ikhethang le litlhaloso tsa mochini. Sistimi ea tloaelo ea ATE le sethala sa liteko tsa khale li ka hloka liboto tsa li-interface tse etselitsoeng lintlha tsa lefa ha li ntse li kenyelletsa mekhoa ea sejoale-joale ea botšepehi ba matšoao.

Mokhoa oa ho netefatsa Moqapi

Ts'ebetso ea moralo le netefatso bakeng sa liboto tsa li-interface tsa ATE e kenyelletsa papiso ea motlakase ho netefatsa ts'ebetso ea lets'oao, tlhahlobo ea khatello ea mochini ho netefatsa ts'epo ea sehokelo, le tlhahlobo ea motlakase ho netefatsa tahlehelo le tahlehelo ea ho kenya liteisheneng tsohle.

fihlela qeto e

Boto ea li-interface ea ATE e tiisa hore ho na le sebopeho se tsitsitseng, sa tahlehelo e tlaase, le se lumellanang pakeng tsa tikoloho ea teko le lisebelisoa, e amang ka ho toba ho nepahala ha tlhahlobo le ho tšepahala ha tsamaiso. Moralo o nepahetseng le tlhahiso ea karolo ena ea bohlokoa e hloka boiphihlelo ba theknoloji ea PCB ea maqhubu a holimo, ho nepahala ha mochini, le boqapi ba sistimi ea ATE. Botšepehi ba mats'oao, khetho ea thepa, le taolo ea boleng ba tlhahiso li etsa qeto ea hore na boto ea li-interface e fihlela litlhoko tse boima tsa tlhahlobo ea semiconductor ea sejoale-joale.

Highleap Electronics e fana ka liboto tsa sebopeho sa ATE tse entsoeng ka nepo bakeng sa lits'ebetso tsa tlhahlobo ea semiconductor tse nang le bokhoni bo latelang:

• Tlhahiso ea impedance e laoloang - Moralo o tsoetseng pele oa ho bokella le taolo ea ts'ebetso li boloka boleng ba impedance bo reretsoeng ho pholletsa le liteishene tsohle tsa matšoao

• Ho hokahanya mechine ka nepo - Tlhahiso ea mamello e tiileng e netefatsa ho kopana ha sehokelo se tšepahalang le li-platform tsa ATE

• Tsebo ea thepa - Khetho le ts'ebetso ea li-substrate tse nang le maqhubu a phahameng bakeng sa ts'ebetso e ntle ea lets'oao

• Netefatso ea boleng - Mekhoa e felletseng ea liteko e netefatsa litlhaloso tsa motlakase le tsa mechini pele li tlisoa

Ikopanye le sehlopha sa rona sa boenjiniere ho buisana ka litlhoko tsa boto ea hau ea sebopeho sa ATE le ho hlahloba kamoo boiphihlelo ba rona bo ka tšehetsang nts'etsopele ea sistimi ea hau ea liteko.