Maitiro Ekusarudza Custom Ceramic PCB yeElectronics

Kana module yako yemagetsi, LED array inopenya zvakanyanya, kana RF front-end iri kusvika pamiganhu yekupisa paFR4, hausi wega. Zvigadziko zve laminate zvakajairika zvinosvika 0.3–0.5 W/m·K yekupisa - maodha ari pasi pezvinodiwa nemaapplication anoda simba. PCB yakagadzirwa neceramic inovhara mipata, asi chete kana zvinhu zve substrate, nzira yesimbi, uye specs dzakagadzirwa zvagadziriswa zvinoenderana nemamiriro ako chaiwo ekushanda.

Gwaro iri rinobata nezvesarudzo dzinoshanda dzinosangana nemainjiniya nemapoka ekutenga zvinhu pavanenge vachisarudza bhodhi redunhu receramic rakagadzirwa — kubva pakuchinjana kwezvinhu kusvika pakushandisa nzira dzakanakisisa — saka unogona kuchinja kubva pakufunga kuenda kumidziyo yakakodzera nekuchinja kushoma.

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1) Nei maPCB akajairwa achikundikana muzvishandiso zvine simba guru

1.1 Musiyano weKufambisa Kwekupisa

FR4 inopa kufambiswa kwekupisa kweinenge 0.3 W/m·K. Kunyangwe aluminium-core MCPCBs inowanzo svika 1–2 W/m·K kuburikidza ne dielectric layer. Enzanisa izvozvo ne ceramic substrates:

Kana tembiricha dzemugero dzichifanira kuramba dziri pasi pechinangwa uye kupisa kwekunze kuchidzika chete kusina kukwana, zvinhu zveceramic zvinova chinhu chinodiwa pakugadzira pane kusimudzira.

1.2 Kana Zvidikanwi Zvemugadziriso Zvichidikanwa

Zvigadziko zveceramic zveCatalog zvinoshanda pakuongorora. Asi magadzirirwo ekugadzira haawanzo enderana nehukuru hwakajairika, mapatani emhangura, kana kuburikidza nemarongero chaiwo. Bhodhi recircuit receramic rakagadzirwa rakagadzirirwa iwe kuti:

• Gadzirisa ukobvu hwe substrate ye thermal stack yako chaiyo (yakatetepa = Rth yakaderera, asi isina kuomarara kwemuchina)
• Enzanisa coefficient yekuwedzera kwekupisa (CTE) nemazvo nezvinhu zvako zve die-attach uye solder
• Isa ma "thermal vias" chaiwo apo finite-element simulation inoratidza peak heat flux
• Tsanangura mapatani emhangura ekufambisa magetsi uye kupararira kwekupisa mune imwe dhizaini

Izvi zvinonyanya kukosha mumagetsi emagetsi (IGBT modules, SiC/GaN converters) uye mumasisitimu emwenje e LED uko kugadziriswa kwe lumen uye kugadzikana kwemavara zvinoenderana zvakananga nekudzora tembiricha yejunction.

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2) Sarudzo yezvinhu zveCeramic Substrate

2.1 Alumina (Al₂O₃)

Alumina ndiyo inonyanya kushandiswa neceramic PCB substrate. Inowanikwa mu96% uye 99.6% purity grades, inopa chiyero chinoshanda chekushanda kwekupisa, insulation yemagetsi, uye mutengo. 96% alumina inokodzera mashandisirwo mazhinji ane simba riri pakati nepakati; 99.6% inopa hunyoro hwakaderera uye hunhu hwakasimba hwe dielectric kune ma thin-film circuits uye kuvaka kwakasimba.

Kuti uwane ruzivo rwakadzama rwemagiredhi, nzira dzekugadzira, uye kukodzera kwekushandisa, ona gwara redu rekugadzira alumina PCB.

2.2 Aruminiyamu Nitride (AlN)

AlN inopa 8–10× thermal conductivity yealumina. Ndiyo substrate inosarudzwa kana kupisa kwacho kuchidarika 100 W/cm² — inowanikwa mumapakeji e LED ane simba guru, ma sub-mounts e laser diode, uye ma power semiconductor modules. Kuchinjana uku kunosanganisira mitengo yakakwira yezvinhu nekugadzira, pamwe nezvinodiwa zvakanyanya zve metallization.

2.3 Silicon Nitride (Si₃N₄)

Si₃N₄ inopa simba repamusoro remakanika uye kusimba kwekupwanyika pakati pezvigadzirwa zvesimbi zveinjiniya. Inofarirwa kune mamodule emagetsi anofanira kurarama nekupisa kwakanyanya — semuenzaniso, maEV traction inverters, uko substrates dzinotsungirira mamiriyoni ekutenderera pakati pe -40°C ne150°C. Kufambisa kwayo kupisa (70–90 W/m·K) kwakaderera pane AlN asi ichiri nani pane dzimwe nzira dzeFR4 kana metal-core.

2.4 Beryllium Oxide (BeO)

BeO inopa simba rekupisa rinosvika 300 W/m·K — iro rakakwirira kupfuura chero substrate yeceramic — asi inoda kudzora kwakasimba kwekuchengetedza panguva yekugadzira nekubata nekuda kwehupfu hweguruva reberyllium. Yakachengeterwa dziviriro, ndege, uye mashandisirwo eRF akasarudzika uko pasina chimwe chinhu chinopa simba rekupisa rakakwana. Ongorora peji redu reBeO ceramic circuit board kuti uwane tsanangudzo dzakadzama uye kufunga nezvekuchengetedza.

2.5 Hurongwa hweSarudzo dzeKusarudza Zvinhu

• ☐ Kufambiswa kwemhepo inodziya pamusoro pe30 W/m·K kunodiwa here? → Funga nezveAlN kana Si₃N₄ pamusoro pealumina
• ☐ Ko bhodhi richapinda mukupisa kwe >10,000 pa ΔT > 100°C here? → Isa Si₃N₄ pakutanga kuti ikwanise kusimba pakutyoka
• ☐ Mari inoshandiswa inoenderana here nekupisa kuri pakati nepakati? → 96% alumina ingangove yakakwana
• ☐ Ko mafrequency ekushanda ari pamusoro pe10 GHz here? → Ongorora BeO kana AlN kuti uone mashandiro e dielectric
• ☐ CTE inoenderana nesilicon kana SiC yakakosha here? → AlN (4.5 ppm/°C) kana Si₃N₄ (2.6 ppm/°C) dziri pedyo nesilicon (2.6 ppm/°C)

3) Nzira dzekubatanidza simbi nemhangura

Nzira iyo mhangura inosungirirwa nayo kune chinhu checeramic inokanganisa zvakananga kuramba kupisa, kugona kwekutakura magetsi, kugadziriswa kwemapatani, uye kuvimbika kwenguva refu. Zvinodiwa pakushandisa kwako zvinosarudza nzira yakanakisisa yekugadzirisa simbi.

3.1 Mhangura Yakabatana Nechemberi (DBC)

Foil yemhangura inosungirirwa zvakananga kuceramic pa1,065°C kuburikidza nemaitiro e oxidation anodzorwa, zvichigadzira chimiro chesimbi chine resistance yakaderera kwazvo yekupisa. DBC inotsigira zvidimbu zvemhangura zvakakora (0.15–0.6 mm), zvichigonesa zvivakwa zvemagetsi zvine simba remagetsi.

Zvakanakira: Power modules, IGBT substrates, EV inverters, uye maapplication anoda nzira dzemazuva ano dzinosvika >50A. Ona kugona kwedu DBC substrate kuti uwane ruzivo rwemaitiro uye gwara rekugadzira.

3.2 Firimu Gobvu

Mapendi ekufambisa (sirivha-palladium, goridhe, kana platinum) anodhindwa pakirini paceramic uye anopiswa pa 850–1,000°C. Firimu gobvu rinopa kuchinjika kwedhizaini kune ma resistors akabatanidzwa uye macircuits ane simba riri pakati nepakati pamutengo wakaderera pane DBC.

Zvakanakira: Masensa emotokari, maindasitiri ekudzora, ma hybrid circuits. Ona tekinoroji yePCB ye ceramic yakakora kuti uwane ma trace specifications uye compatibility ye substrate.

3.3 Firimu rakatetepa

Matavi esimbi anoiswa nekusvetukira kana kupwanyika, obva agadzirwa nemufananidzo. Firimu rakatetepa rinowana resolution yakanaka kwazvo (mutsetse/nzvimbo kusvika 10 µm) uye rinobvumira mativi akasimba.

Zvakanakira: RF/microwave circuits, high-frequency filters, maapplication e analog akanyatsojeka uko trace geometry inodzora impedance uye kurasikirwa neinsertion.

3.4 Kuenzanisa Kugadzirwa Kwesimbi

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4) Kugadzirisa Kugadzirwa Kwemagadzirirwo Ekupisa Kwezvivakwa Zvakagadzirwa Nemaoko

4.1 Kuchinjana kweKukora kweSubstrate

Bhodhi redunhu rakadhindwa neceramic harisi rekungosarudza zvinhu chete - asi kuti rinoshandisa sei thermal stack yese pamwe chete. Ukobvu hwe substrate ndeimwe yemhando dzinonyanya kukosha:

• Kuderedza alumina kubva pa0.635 mm kusvika pa0.38 mm kunoderedza kuramba kupisa ne40%
• Zvishandiso zvakatetepa zvinopa kupindirana kwekupisa kwakaderera asi zvinoderedza kuomarara kwemuchina uye kusimba kwekubata
• Kune mamodule emagetsi ane base-plate mounting, ukobvu hwe substrate hunofanira kuenzana nekushanda kwekupisa pakurwisa CTE-induced bending stress

Simbisai izvi kuburikidza nekuenzanisa, mobva masimbisa nekuyedza ma prototype. Gwaro redu rekutarisira kupisa kwePCB receramic rinopa nzira dzekuenzanisa uye matekiniki ekuyera zvakadzama.

4.2 Kuburikidza neKuisa uye Kuparadzira Kupisa

Zvishandiso zvinopisa zvakazadzwa ne copper kana silver paste zvinopa nzira dzekupisa dzisingapindi mvura kubva kuma component pads kuenda kune rimwe divi re substrate. Nzira dzinoshanda dzinosanganisira:

• Kuburikidza ne arrays zvakananga pasi pe high-power device thermal pads (15–25 vias/cm² yenzvimbo dzakakosha)
• Zvivharo zvakazadzwa uye zvakavharirwa kuchengetedza nzvimbo dzakarongwa dzekubatanidza kana SMT
• Kuburikidza nesarudzo yedhayamita, tichienzanisa mashandiro ekupisa nekuvimbika kwesimbi yeceramic (kazhinji 0.2–0.3 mm yeceramic)

4.3 Ongororo yeDFM uye Kubvunzana Nezvekupisa

Highleap Electronics inopa ongororo yeDFM (Design for Manufacturability) uye kubvunzana nezvekugadzirwa kwemafuta sechikamu chebasa redu rekugadzira PCB yeceramic . Chikwata chedu cheinjiniya chinokubatsira kuti uongorore pakati pemiganhu yemagetsi nemafuta usati wazvipira kugadzira maturusi - kudzivirira kudzokorodza kunodhura.

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5) Zvekuisa Muchikumbiro Chako Chekushandisa PCB yeCeramic Yakagadzirwa Nemaoko

Kupa ruzivo rwakajeka uye rwakakwana kunokurumidzisa kutaurwa kwemashoko uye kunodzivirira mainjiniya kudzokera shure nekudzoka. Paunenge uchikumbira kutaurwa kwakagadzirwa nebhodhi receramic, tsanangura zvinotevera:

5.1 Zvinodiwa Zvinodiwa

5.2 Magadzirirwo eKugadzira (Kana Zvichikodzera)

Kana muchidawo zvinhu zvakaiswa, ipai mifananidzo yenyu yeBOM neyekugadzika kuitira kuti tikwanise kutaura nezvemabasa ekugadzira PCB yeceramic pamwe chete nekugadzirwa kwayo. Isai chero zvinyorwa zvakakosha zvemaitiro: ma profiles ekupisa kwakanyanya, zvinodiwa pakubatanidza waya, kana kuti zvinodiwa pakubatanidza ne die-attach.

5.3 Rondedzero Yekutarisa Pamberi Pekutaurwa Kwemashoko

• ☐ Zvinhu zveceramic uye kuchena kwakasarudzwa
• ☐ Hukuru hwesubstrate, ukobvu, uye kushivirira kwacho zvakatsanangurwa
• ☐ Nzira yekugadzira simbi uye ukobvu hwemhangura hwatsanangurwa
• ☐ Mafaira eGerber kana ecircuit akagadzirwa
• ☐ Zvinodiwa pakupedzisa pamusoro zvaonekwa
• ☐ Zvinodiwa pakugadzira zvakanyorwa (BOM, kuiswa, maitiro akakosha)
• ☐ Huwandu (muenzaniso + kugadzirwa) uye purogiramu yakanyorwa

Tora Mutengo Wako weCeramic PCB

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6) Kubva paPrototype kusvika paVolume: Kushanda neHighleap Electronics

6.1 Kusimbiswa kwePrototype

Mapurojekiti mazhinji ePCB eceramic akagadzirwa nemaoko anotanga neprototype diki kuti aone kushanda kwekupisa uye magetsi. Highleap inotsigira izvi kuburikidza nemasevhisi edu ePCB prototyping , anosanganisira kugadzirwa nekukurumidza kweceramic substrate, kuunganidza sampuro dzekuongorora, uye mhinduro dzeinjiniya pakugadzirisa dhizaini.

6.2 Kuchinja Kwekugadzira

Kana ma prototypes apedza kushanda, shanduko kuenda kuhuwandu inosanganisira:

• Kufanirwa kwemaitiro ekugadzira goho rakafanana munzvimbo dzakasiyana dzekugadzira
• Maitiro ekuongorora anouya ekugadzira ceramic substrates dzisina kucheneswa (kuchena, kupfava, kuomarara kwenzvimbo)
• Kugadzika kwemutsetse wegungano otomatiki wekugadzirisa zvinodzokororwa, kubatana kwewaya, uye kuvharwa

Gwaro redu rekugadzira mabhodhi edunhu receramic rinorondedzera zvakadzama shanduko iyi.

6.3 Nei Mainjiniya Vachisarudza Highleap

Semugadziri wePCB wezvedongo ane hunyanzvi , Highleap Electronics inounza kugadzirwa kwe substrate, metallization, uye turnkey assembly pasi pedenga rimwe chete:

• Zvinhu: Alumina, aluminium nitride, uye silicon nitride substrates
• Metallization: Kugadziriswa kweDBC nefirimu gobvu ne ±0.05 mm dimension tolerance
• Assembly: SMT yakazara, waya yekubatanidza, die attach, uye conformal coating
• Zvitemo: ISO 9001, ISO 13485, ISO 14001, IATF 16949
• Scale: Kubva pamayuniti gumi emuenzaniso kusvika pamabhodhi ekugadzira anopfuura zviuru gumi

Chikwata chimwe chete cheinjiniya ndicho chine basa rose — mapuranga ako edongo haapfuure nepakati pevatatu kana vana vasati vasvika pabhenji rako. Kana chimwe chinhu chichida kugadziriswa, mhinduro dzinobva dzangoerekana dzabuda.

Wagadzirira kukurukura nezveprojekiti yako here? Titumire mafaira ako ekugadzira uye zvirevo — timu yedu yeinjiniya inowanzopa mutengo wakadzama pamwe nekurudziro dzeDFM mukati memaawa makumi mana nemasere.