Mohato oa pele oa ho amohela chip e ka ba patch; a TO e kenyelletsa patch eo mocheso o tebang ho TO socket, chip eo LDs ho mocheso oa mocheso, le PD ea backlight;
Mokhoa o ikhethileng oa ho kenya o ka fapana haholo: ntho e tla hokelloa hangata ke LD / PD chip, kapa TIA, resistor / capacitor; ho beoa ho ka etsoa ka sekoting sa mocheso oa aluminium nitride kapa ka kotloloho ho PCB; ho beoa tjheseletsa Eutectic kapa sekhomaretsi se tsamaisang se ka sebelisoa; patch e ka hloka feela mashome kapa esita le makholo a li-micron tsa ho nepahala, joalo ka TIA, li-resistors, le ho nepahala ha sub-micron, joalo ka passive flip-chip welding.
Ha ke se ke buile tsena tsohle, hantle-ntle patch ke eng? Ha ho mohla ho bonahalang ho na le tlhaloso e tloaelehileng. Leha ho le joalo, ho ka bonoa mehlaleng e ka holimo hore ba na le ntho e le 'ngoe e tšoanang: sesebelisoa se sebelisetsoa ho beha le ho lokisa' mele oa ho behoa ho mojari ka ho nepahala ho itseng ho finyella mosebetsi o itseng. (Ke hobane'ng ha u sebelisa thepa? Ke nahana hore mokhoa oa ho bea o ka iketsetsang o bitsoa patch, ho seng joalo e ka bitsoa feela bonding ea manual.) Ho itšetlehile ka ntlha ena e tloaelehileng, ke akarelitse lintlha tse 'nè tsa bohlokoa tsa patch: setopo sa ho bea, mojari , Mokhoa o tsitsitseng, ho nepahala. 'Me ke sesebelisoa sefe se sebelisoang, ke solder efe e khethiloeng, le hore na litlhoko tsa ho nepahala ke life, ho itšetlehile ka ho feletseng ka mosebetsi oo ntho e lokelang ho behoa e lokelang ho e finyella.
Mona ke ho sheba menyetla e fapaneng e fumanehang linthong tse 'ne tsa patch:
Lithaba tse ngata ke LD le PD chips.
TIA / Driver / Resistor / Capacitor, joalo ka 'mele ea ho beoa e sa hlokeng ho nepahala ho phahameng, e ka nkeloa sebaka ka letsoho ho fapana le meqolo e meholo.
Ka ho fetisisa setso mojari ke AIN mocheso teba; ka nts'etsopele ea li-chips tse kopantsoeng, li-chips tsa PLC le silicon optical chips le tsona li fetohile lihlopha tse tloaelehileng tse ntseng li eketseha, tse kang li-silicon light grating coupling chips, tse hlokang hore LaMP e kenngoe holim'a silicon optical chips; PCB ke bajari ba tloaelehileng ka har'a liphutheloana tsa COB, joalo ka li-module tsa puisano ea data 100G-SR4, PD / VSCEL li kentsoe ka kotloloho ho PCB.
Au80Sn20 alloy ke sesebelisoa se tloaelehileng sa LD-mount eutectic. Hangata sekhomaretsi sa conductive se sebelisoa ho kenya PD. UV glue lense e tsitsitseng e loketse haholoanyane.
Ho nepahala ho itšetlehile ka tšebeliso e khethehileng;
Moo optical path coupling e hlokahalang, tlhokahalo ea ho nepahala e batla e phahame.
Ho tsamaisana hantle ho hloka ho nepahala ho phahameng ho feta ho kopanya ho sebetsang.
Ho beoa ha LD ho hloka ho nepahala ho phahameng ho feta ho beoa ha PD,
TIA / resistor / capacitor ha e hloke ho nepahala, feela e khomarele.
Mokhoa o akaretsang oa ho beha
Khauta-tin eutectic solder patch
Sekhahla sa paste se conductive
Moo ho nepahetseng ho seng holimo, o hloka feela ho sheba fatše ho CCD ho nka litšoantšo tsa chip le substrate ka nako e le 'ngoe,' me u sebelise matšoao a ho tsamaisana kapa li-chip edges ho lumellana.
Bakeng sa lits'ebetso tsa flip-chip, ho hlokahala li-CCD tse ngata, ho sheba ka tlase ho chip le bokaholimo ba substrate. Lisebelisoa tse nepahetseng haholo li boetse li hloka matšoao a khethehileng a ho tsamaisana.
