Karolo ea Bohlokoa ea Li-PCB tsa Tg tse Phahameng ho Li-elektroniki tsa Kajeno

Sebakeng se rarahaneng sa li-PCB, khutsufatso e bonahalang e se na molato e busa haholo - "Tg," kapa Glass Transition Temperature. Lentsoe lena le sa hlakang le na le senotlolo sa ho mamella mocheso oa thepa ea PCB 'me le phetha karolo ea bohlokoa ho khethollang bokhoni ba PCB ba ho mamella mocheso o feteletseng. Li-PCB tse phahameng tsa Tg, tse entsoeng ka thepa e khethehileng e entsoeng ho isa menyakong e phahameng ea mocheso, ke bahale ba sa tsejoeng ba tšehetsang ho tšepahala ha lisebelisoa tse ngata tsa elektroniki. Tataiso ena e felletseng e shebisisa ka botebo lintlha, bohlokoa, lisebelisoa, ho hlophisa lintho tse rarahaneng, lits'ebetso, le karolo ea bohlokoa ea lisebelisoa tsa motheo tse se nang halogen sebakeng sa High Tg PCBs.

Kenyelletso ho High Tg PCBs

Tg ho PCBs ke eng?

Tg, kapa Glass Transition Temperature, ke mocheso oo thepa ea substrate ea PCB e fetohang ho tloha boemong bo thata, bo kang ba khalase ho ea boemong bo bonolo, bo kang ba rabara. Mocheso ona o bohlokoa bakeng sa ho utloisisa hore na PCB e tla sebetsa joang tlas'a khatello ea mocheso. Li-PCB tse phahameng tsa Tg li etselitsoe ho mamella mocheso o phahameng ho feta li-PCB tse tloaelehileng, ho li etsa hore li tšoanelehe bakeng sa lits'ebetso moo mamello ea mocheso e leng bohlokoa.

Bohlokoa ba Tg e Phahameng ho PCBs

Li-PCB tse phahameng tsa Tg li bohlokoa lits'ebetsong tse kenyelletsang mocheso o phahameng oa ts'ebetso. Li fana ka botsitso bo ntlafetseng ba mochini, ho fokotsa katoloso ea mocheso, le ho ntlafatsa khanyetso ea lik'hemik'hale. Mehaho ena e bohlokoa ho boloka bots'epehi le ts'epahalo ea li-PCB libakeng tse thata, joalo ka likoloi, sebaka sa sefofane le lits'ebetso tsa indasteri.

Litlhaloso tse phahameng tsa Tg PCB

Li-PCB tse phahameng tsa Tg ke tsona tse etellang pele lipotoloho tse thibelang mocheso, tse etselitsoeng ho mamella le ho ipabola tlas'a maemo a phahameng a mocheso. Litlhaloso tse latelang hangata li amahanngoa le High Tg PCBs:

• Palo ea Lera: Palo ea lera e fapana ho latela litlhoko tsa kopo empa hangata e kenyelletsa 6 kapa ho feta.
• Botenya ba Boto: Li-PCB tse phahameng tsa Tg hangata li na le botenya ba 1.6mm.
• Minimum Hole Diameter: Liboto tsena li na le bophara ba lesoba bo ka bang 0.25mm.
• Bonnyane Bophara ba Mola: Bophahamo ba mola o tlase hangata bo qala ho 5.0 mil.
• Nako e Nyenyane ea Sekhahla: Ka tloaelo, ho bolokoa sebaka se fokolang sa mela ea 4.5 mil.
• Phekolo ea bokaholimo: Ho qoelisoa khauta ke mokhoa o tloaelehileng oa phekolo o sebelisoang ho ntlafatsa conductivity.

Bohlokoa ba Lisebelisoa tsa Tg tse Phahameng

Lisebelisoa tsa Tg tse phahameng

Bohareng ba High Tg PCB ho na le bohlokoa ba lisebelisoa tse phahameng tsa Tg. Taba ea mantlha ke bokhoni ba bona ba ho phahamisa mocheso o tsoelang pele oa ts'ebetso oa PCB, ho e nolofalletsa ho jara maqhubu a phahameng le maemo a thata a tikoloho. Mocheso ona o tsoelang pele oa ho sebetsa o bolela moeli o ka holimo oo boto ea potoloho e ka sebetsang ntle le ho baka tšenyo.

Mocheso o Tsoelang Pele oa ho sebetsa

E le molao oa letsoho, mokhatlo oa Jeremane oa setifikeiti oa TÜV o fana ka maikutlo a hore mocheso o tsoelang pele oa ts'ebetso o lokela ho lula o le 20 ° C ka tlase ho Tg e boletsoeng. Ho kheloha leha e le hofe ho tloha tataisong ena ho ka lebisa liphellong tse kotsi, ho kenyeletsa ho hlōleha ha PCB.

Lisebelisoa tsa li-PCB tse phahameng tsa Tg

Li-PCB tse nang le Tg e Phahameng li na le thepa e nang le boleng bo phahameng ba Tg ha li bapisoa le thepa e tloaelehileng ea FR4 . Tsena ke tse ling tsa thepa e sebelisoang hangata e etselitsoeng liboto tsa potoloho tse nang le mocheso o phahameng:

• S1141 (FR4): Ho ithorisa ka Tg ea 175 ° C le mocheso oa ho theola boima ba 'mele (Td) oa 300 ° C, thepa ena e fana ka ts'ebetso e matla.
• S1000-2M (FR4): Thepa ena e hlahella ka Tg ea 180°C le Td ea 345°C.
• IT180: E tsebahala ka ho fana ka Tg ea 180 ° C, Td ea 345 ° C, le ho mamella mocheso o ikhethang.
• laminate e khethehileng e nang le tahlehelo e tlase 4350B: Thepa ena e sebetsang hantle haholo e ithorisa ka Tg e khahlehang ea 280°C le Td ea 390°C.

Ho Odara Lisebelisoa tsa High-Tg

Ho tsamaea sebakeng sa lisebelisoa tse phahameng tsa Tg ho hloka khetho e hlokolosi ea thepa e nepahetseng e lumellanang le litlhoko tse ikhethang tsa kopo ea hau. Baetsi ba tummeng joalo ka Highleap Electronic ba fana ka liboto tse ngata tse phahameng tsa Tg, tse u lumellang ho hokahanya khetho ea hau ea thepa le mocheso o lebisitsoeng oa ts'ebetso le maemo a tikoloho.

Mehopolo ea Bohlokoa

Ha o odara lisebelisoa tse phahameng tsa Tg, ho bohlokoa ho nahana ka litlhoko tse ikhethileng tsa kopo ea hau, ho kenyelletsa:

• Mocheso Range: Netefatsa hore boleng ba Tg le Td ba thepa bo lumellana le litlhoko tsa mocheso oa kopo ea hau.
• Mefuta ea Mechanical: Hlahloba matla a mochine oa thepa le botsitso tlas'a khatello ea mocheso.
• Khanyetso ea Lik'hemik'hale: Lekola khanyetso ea thepa ho lik'hemik'hale le lintlha tse ling tsa tikoloho.
• Ts'ebetso ea Motlakase: Nahana ka thepa ea dielectric ea thepa le ts'ebetso ea botšepehi ba matšoao.

Lisebelisoa tsa High Tg PCBs

Khanyetso e ikhethang ea mocheso e bonts'itsoeng ke High Tg PCBs e fumana lits'ebetso ho liindasteri tse fapaneng, ho kenyelletsa:

Lifofane tse ka morao

Li-backplanes ke likarolo tsa bohlokoa ka har'a litsamaiso tse phahameng tsa ts'ebetso ea komporo. Li-PCB tse phahameng tsa Tg li netefatsa hore lisebelisoa tsena li ka sebetsa ka botšepehi tlas'a meroalo e phahameng ea mocheso, ho boloka ts'ebetso le botsitso.

Seva le Lisebelisoa tsa Marang-rang

Li-PCB tse phahameng tsa Tg li bohlokoa bakeng sa ho tšepahala ha litsi tsa data, moo li sebetsanang le mocheso o hlahisoang ke lisebelisoa le lisebelisoa tsa marang-rang. Mamello ea bona ea mocheso e thusa ho thibela ho hlōleha le ho boloka ts'ebetso e tsitsitseng.

Lisebelisoa tsa Mehala

Lisebelisoa tsa lithelefono li sebetsa kamehla, hangata tlas'a maemo a boima. Li-PCB tse phahameng tsa Tg li fana ka botsitso bo hlokahalang ba mocheso ho netefatsa ts'epo le ts'ebetso ea nako e telele.

Litharollo tsa polokelo ea data

Li-PCB tse phahameng tsa Tg li sireletsa botšepehi ba lits'ebetso tsa bohlokoa tsa polokelo ea data, ho netefatsa hore data e bolokiloe le tlas'a mocheso o phahameng.

Lisebelisoa tsa Koporo e Matla

Li-PCB tse nang le Tg e Phahameng li loketse lits'ebetso tse hlokang bokhoni bo phahameng ba ho jara motlakase. Lisebelisoa tse nang le Tg e phahameng li sebetsana le khatello e eketsehileng ea mocheso e amanang le meralo e boima ea koporo .

Lisebelisoa tsa Elektronike tsa Mocheso o Phahameng

Li-PCB tsena li bohlokoa haholo libakeng tse thata moo mocheso o ka nyolohang, joalo ka lisebelisoa tsa elektroniki tsa likoloi, litsamaiso tsa sefofane le mechini ea indasteri.

fihlela qeto e

Ka kakaretso, li-PCB tse phahameng tsa Tg li hlaha e le batšehetsi ba bohlokoa ba lisebelisoa tsa elektroniki tsa sejoale-joale, ba tšoere lisabole tse peli tse thibelang mocheso le ho ts'epahala ho sa thekeseleng lits'ebetsong tse fapaneng. Kutloisiso e tebileng ea litlhaloso tsa bona, lits'ebetso, le karolo ea bohlokoa ea lisebelisoa tsa motheo tse se nang halogen e eme e le ntho ea bohlokoa ho lienjineri le bahlahisi ba hahamallang ho netefatsa katleho ea lihlahisoa tsa elektroniki libakeng tse sa tšoareleng. Khetho e bohlale ea lisebelisoa le litlhophiso li matlafatsa lienjineri ho theha li-PCB tse khonang ho atleha maemong a mocheso o feteletseng ha li ntse li ts'ehetsa maemo a ts'ebetso le ts'epahalo.

Li-PCB tse phahameng tsa Tg li fana ka mamello e ke keng ea lekanngoa ea mocheso, e leng se etsang hore li tšoanelehe bakeng sa mefuta e mengata ea likopo. Ka ho utloisisa bohlokoa ba Tg, ho khetha thepa e nepahetseng, le ho nahana ka lintlha tse kang solder resist le botenya, baenjiniere ba ka qapa li-PCB tse fihlelang litlhoko tsa maemo a phahameng a mocheso. Ho sa tsotellehe hore na ke likoloing, sefofaneng, lithelefonong, kapa lits'ebetsong tsa indasteri, High Tg PCBs e netefatsa ho tšepahala le ho sebetsa maemong a thata ka ho fetisisa.