Kugadzira uye Kugadzira PCB yeRO4350B

Peji reRO4350B rinobatanidza kusarudzwa kwezvinhu nekugadzirwa. Zvinhu zvikuru zvinogadzirwa imhando ye stackup yakaburitswa, ukobvu hwe dielectric, kuvakwa kwemhangura, zvinodiwa zve impedance, kuchera uye nzira yekuongorora inoshandiswa kusimbisa bhodhi rakapedzwa re multilayer. Usati waenzanisa nhamba dzeDk dzakaburitswa kana dzekurasikirwa, kuverenga RO4350B neRO4003C kunobatsira kuchengetedza nzira dzekuyedza uye fungidziro dzekuvaka dzichienderana.

Kugadzirwa kwePCB yeRO4350B kunofanira kutanga nechinhu chakaburitswa uye chinangwa cheimpedance. Giredhi rezvinhu roga haritsanangure mutsetse weRF; ukobvu hwe dielectric hwakapedzwa, profile yemhangura, trace geometry uye kunyoreswa kwe layer zvinopedzisa kuvaka. Chiyero chezvinhu: zita rechigadzirwa cheRogers rinoshandiswa kuziva laminate yakatsanangurwa yekuvaka kwePCB. Highleap Electronics inopa kugadzirwa kwePCB uye kubatanidzwa, nepo laminate ichiwanikwa uye ichisimbiswa zvakasiyana.

Mabhodhi edunhu akadhindwa ( PCBs ) ndiwo hwaro hwemagetsi emazuva ano, anoshanda senzira yakakosha yekumisikidza uye kubatanidza zvikamu zvemagetsi. Sezvo tekinoroji ichifambira mberi uye kudiwa kwemagetsi ane frequency yakawanda uye anoshanda zvakanyanya kuri kukura, kusarudza zvinhu zvePCB zvakakodzera kunova kwakakosha. Pakati pezvinhu zvinonyanya kuzivikanwa uye zvinoshandiswa zvakanyanya pakushandisa mafrequency akawanda ndiRogers RO4350B. Chinyorwa chino chinotarisa hunhu, mashandisirwo, uye magadzirirwo eRogers RO4350B, zvichipa maonero akazara ekuti nei ichionekwa sesarudzo inowanzo sarudzwa yeRF uye microwave circuits.

Pamusoro peRogers RO4350B

Rogers RO4350B ipurasitiki ye hydrocarbon resin yakazadzwa ne ceramic, yakasimbiswa negirazi yakagadzirirwa kushandiswa kwePCB inoshanda zvakanyanya uye inomhanya-mhanya . Ndiyo chikamu che RO4000® series ye laminates yakagadzirwa neRogers Corporation, yakagadzirwa kuti isangane nezvinodiwa zviri kukura zveRF uye dhizaini ye microwave uku ichichengetedza zvinhu zvinodhura uye zvinogadziriswa nyore nyore zvakafanana nezvinhu zvePCB zvakaita se FR-4.

Chinhu ichi chave chichinyanya kufarirwa mumhando dzakasiyana-siyana dzemashandisirwo epamusoro-soro nekuda kwekugadzikana kwaro kwakanaka kwe dielectric constant (Dk), low loss tangent (Df), uye hunhu hwayo hwekupisa nehwemakanika. RO4350B inopa chiyero chakadzorwa pakati pekushanda kwemagetsi kwakanyanya uye nyore kugadzira, zvichiita kuti ive yakakodzera maindasitiri akasiyana-siyana kubva kuma telecommunications uye automotive radar systems kusvika kuma aerospace nemauto systems.

Zvinhu zvakakosha zveRogers RO4350B

1. Dielectric Constant (Dk) Kugadzikana

Chinochinjika che dielectric (Dk) chinhu chakakosha pazvinhu zvePCB , sezvo chinokanganisa kumhanya kunofamba kwemasaini mudunhu. Kuchengetedza Dk yakagadzikana muhuwandu hwakawanda hwemafrequency kwakakosha kuti uve nechokwadi chekuti masaini akavimbika, kunyanya mukushandiswa kwemafrequency akakwira. Rogers RO4350B inopa chichinjika che dielectric che3.48, chine musiyano mudiki pane huwandu hwakawanda hwemafrequency, zvichiita kuti chikodzere maseketi anoshanda kubva pa500 MHz kusvika pamusoro pe40 GHz.

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Peji rino rinofanira kuramba rakanangana neRogers RO4350B. Kuti uenzanise nemamwe maRogers laminates, shandisa gwara rezvinhu zveRogers PCB ; kuti uwane kugona kugadzira, kugadzira zvinhu zvakawanda, uye kugadzirira mutengo, ongorora kugadzirwa kweRogers PCB.

• Dk Kukosha: 3.48 (± 0.05)
• Dhizaini Dk: 3.66 (kune mamwe maitiro ekugadzira)
• Frequency Range: 8 GHz kusvika 40 GHz

Kugadzikana uku kunovimbisa kupararira kwemasaini nguva dzose uye kushanda zvakanaka mumafrequency akasiyana ekushanda, zvichiita kuti zvinyatsokodzera maRF applications, kusanganisira tambo dzekutumira, maantenna, uye ma amplifiers emagetsi.

2. Low Loss Tangent (Df)

Kurasikirwa kwechiedza (Df) kunoyera kuti simba rechiratidzo rinorasika sei sekupisa mukati mechinhu chacho. Kurasikirwa kwechiedza kushoma kunoreva kudzikira kwechiedza zvishoma uye kushanda zvakanaka, kunyanya kumashandisirwo ekumhanya kwakanyanya uye mafrequency akakwira. Rogers RO4350B ine kurasikirwa kwakaderera kwe0.0037 pa10 GHz, zvichiita kuti signal ishande zvakanaka uye ideredzwe zvishoma. Kune nzira dzinoshandiswa neconductor-loss, LoPro copper sarudzo dzeRF loss model dzinofanira kutsanangurwa pamwe chete nehukuru hwe laminate uye line geometry.

• Chinhu chinoparadza (tan δ): 0.0037 pa10 GHz/23°C
• Df pa2.5 GHz/23°C: 0.0031

Iyi yakaderera dissipation chinhu inobatsira kuderedza kurasikirwa kwechiratidzo, kuve nechokwadi chekuti masaini epamusoro-soro anofambiswa nekuderera kudiki. Izvi zvinoita kuti RO4350B inyanyokodzera kukumbira zvikumbiro senge millimeter-wave dhizaini mu77 GHz radar masisitimu, 5G zvivakwa, uye setiraiti kutaurirana.

3. Thermal Hunhu

Kune yakakwirira-frequency, yakakwirira-simba zvikumbiro, kutungamira kwekupisa kwakakosha kuchengetedza kuvimbika kwenguva refu uye kuita. Rogers RO4350B inopa yakanakisa kupisa maitiro ayo anovimbisa kuti inoramba yakagadzikana kunyangwe munzvimbo dzakanyanya tembiricha:

• Thermal Coefficient of Dk: +50 ppm/°C (kubva -50°C kusvika 150°C)
• Glass Transition Temperature (Tg): > 280 ° C
• Thermal Decomposition Temperature (Td): 390 ° C
• Thermal Conductivity: 0.69 W/m/K pa80°C

Izvi zvinopisa zvinhu zvinoita kuti RO4350B ikwanise kumirisana nekupisa kwakanyanya kunogadzirwa nemasaini ane simba eRF, kuve nechokwadi chekuti zvinhu zvacho zvinoramba zvakadzikama uye zvinochengetedza zvivakwa zvaro zvemagetsi pahupamhi hwetembiricha.

4. Dimensional Kugadzikana

Dimensional kugadzikana kwakakosha muPCB zvinhu, kunyanya mumagadzirirwo akawanda uko kuchovha bhasikoro kunogona kutungamira mukuwedzera kwezvinhu kana kudonha. Rogers RO4350B inopa yakanakisa dimensional kugadzikana, iyo inoderedza njodzi yekutadza nekuda kwekushushikana kwekupisa:

• Coefficient of Thermal Expansion (CTE):
  • X-axis: 10 ppm/°C
  • Y-axis: 12 ppm/°C
  • Z-axis: 32 ppm/°C
• Dimensional Kugadzikana: <0.5 mm/m

Kugadzikana uku kunoita kuti zvinhu zvirambe zvakanaka, kunyangwe kana tembiricha yachinja zvakanyanya, zvichidzivirira matambudziko akadai sekupatsanurwa kwemhangura kana kutsemuka mumakomba akafukidzwa (PTHs). Ongororo yekugadzira yeHighleap inosanganisira kubata zvinhu, lamination, kuchera, maficha emhangura, kupedzisa uye kusimbiswa kweimpedance. Kana dhizaini ichishandisa mahybrid layers kana maficha eRF akanaka, nzvimbo idzodzo dzinodanwa zvakasiyana muongororo yemaitiro kuitira kuti kushivirira kwebhodhi kwakajairika kusashandiswe zvisina kujeka. Kukosha kwepfuma chaiyo yezvinhu kunofanirwa kuongororwa zvichienderana nemagwaro emutengesi aripo egiredhi rakatarwa uye kuvaka.

5. Mechanical Simba

RO4350B's mechanical properties yakakosha kune maapplication uko PCB inogona kunge iri pasi pekunetsekana kwemuviri, senge panguva yegungano kana munzvimbo umo vibration iri kunetsa. Izvo zvinhu zvakakwirira tensile modulus uye flexural simba inovimbisa kusimba:

• Tensile Modulus (X-axis): 16,767 MPa (2,432 ksi)
• Tensile Modulus (Y-axis): 14,153 MPa (2,053 ksi)
• Kusimba Kwesimba (X-axis): 203 MPa (29.5 ksi)
• Kusimba Kwesimba (Y-axis): 130 MPa (18.9 ksi)
• Flexural Strength: 255 MPa (37 ksi)

Izvi zvivakwa zvinobatsira pakusimba kwechinyorwa uye kuita kuti ive yakakodzera kune dzakasiyana siyana dzekushandisa, kubva kumotokari radar kusvika kumauto masisitimu.

6. Zvigadzirwa Zvemagetsi

Rogers RO4350B inopa yakanakisa magetsi ekudzivirira, ayo akakosha pakuona kutendeseka kwechiratidzo mune yakakwirira-frequency uye yakakwirira-simba maapplication:

• Volume Resistivity: 1.2 x 10^10 MΩ•cm
• Surface Resistivity: 5.7 x 10^9 MΩ
• Kusimba Kwemagetsi: 31.2 KV/mm (780 V/mil)

Aya magetsi emagetsi anovimbisa kuti RO4350B inopa yakavimbika chiratidzo chekuzviparadzanisa nevamwe, kudzivirira kukanganiswa kwemagetsi mumaseketi eRF anonzwisa tsitsi.

Kusarudza Zvakakodzera PCB Chishandiso: Rogers RO4350B vs. FR-4 vs. PTFE

Paunenge uchifunga pakati peRogers RO4350B, FR-4, uye PTFE-based laminates, heano mamwe ekufunga ekubatsira kutungamira sarudzo yako:

1. Frequency Zvinodiwa:

• RO4350B: Yakanakira mashandisirwo emagetsi ane mafrequency akawanda (500 MHz kusvika 77 GHz), ine dielectric constant yakagadzikana uye kurasikirwa kwechiratidzo kwakaderera, inowanzo tariswa kune masisitimu e5G, radar, uye microwave kana data rayo rakabudiswa uye dhizaini yakaburitswa zvikazadzisa zvinodiwa neprojekiti.
• FR-4 inogona kukodzera macircuitry epasi-pfupi kana ekutsigira kana dhizaini uye bhajeti rekurasikirwa richibvumira.
• PTFE: Yakakodzera ultra-high-frequency applications pamusoro pe10 GHz, ichipa kurasikirwa kwakaderera pane RO4350B, asi kazhinji kunouya nemutengo wepamusoro uye zvakanyanya kuoma kugadzirisa.

2. Thermal Management:

• RO4350B: Inomira tembiricha yakakwira ine Tg> 280 ° C, ichipa zvirinani kupisa kwekuita pane FR-4 asi yakaderera pane PTFE.
• FR-4: Inobata tembiricha ine mwero, kazhinji yakatenderedza 130 ° C-180 ° C, asi inogona kudzikisira mumamiriro ekupisa kwakanyanya.
• PTFE: Yakanakisa kupisa kwekuita ine yakanyanya kuderera kupisa kwekuwedzera uye yakanyanya kuora tembiricha, ichiita kuti ive yakavimbika mukuda, yakakwirira-simba RF nharaunda.

3. Mutengo:

• RO4350B: Sarudzo yakadzikama inopa yakakwira-frequency kuita pamutengo wakaderera uchienzaniswa nePTFE, asi inodhura kupfuura FR-4.
• FR-4: Iyo yakanyanya kudhura-inoshanda kune yakajairika kushandiswa mune yakaderera-frequency uye yakaderera-mutengo madhizaini.
• PTFE: Inodhura kupfuura zvese RO4350B uye FR-4 nekuda kwekuita kwayo kwepamusoro uye maitiro ekugadzira akaomarara.

Sarudza Rogers RO4350B yemagadzirirwo eRF, 5G, uye radar yemotokari ane mafrequency akawanda uye asingadhuri, uko kushanda, kugadzikana, uye mutengo uri pakati nepakati zvakakosha. FR-4 yakakodzera mashandisirwo emagetsi asingadhuri uye asingadhuri apo mutengo uri chinhu chikuru. Sarudza ma laminates akavakirwa paPTFE kana uchibata mafrequency akakwira zvakanyanya uye uchida kurasikirwa nesignali kushoma, asi gadzirira mitengo yakakwira uye maitiro akaomarara ekugadzira zvichienzaniswa neRO4350B neFR-4.

Rogers RO4350B Kufunga Kwemitengo

Kana tichikurukura nezvemitengo yeRogers RO4350B, zvakakosha kuti titarise zvinhu zvakati wandei zvinokanganisa mutengo wese:

1. Zvivakwa Zvekushandisa: Kuenzaniswa neyakajairwa FR-4, RO4350B inodhura zvakanyanya nekuda kweiyo yepamusoro-frequency performance, yakaderera kurasikirwa tangent, uye kugadzikana kwekupisa. Zvisinei, inoramba ichidhura kupfuura PTFE-based laminates seRogers RT/duroid®.
2. Ukobvu uye Panel Size: Zvinhu zvinowanikwa muhukobvu hwakawanda (kubva pa0.004 ″ kusvika 0.060 ″) uye saizi yemapaneru, ayo anokanganisa mutengo. Laminates akakora kana mapaneru akakura anogona kukonzera kudhura kwezvinhu.
3. Application-Chaiyo Zvinodiwa: Yakasarudzika shanduro dzeRO4350B, dzakadai seyepamusoro-akavimbika mamakisi emuchadenga kana yekudzivirira maapplication, anogona kutakura mubhadharo nekuda kwekuwedzera kwekuita kwekuita sekuwedzerwa kugadzikana kwekupisa kana simba remuchina.
4. Ukuru uye Kuwanikwa: Mutengo wacho unoenderanawo nehuwandu hweodha uye kuwanikwa kwemutengesi. Huwandu hwakawanda hwekugadzira hunowanzo kukonzera kudzikira kwemitengo yeyuniti. Kuwanikwa kwenzvimbo, nzira yemutengesi, huwandu hweodha, uye ukobvu hunodiwa kana kugadzirwa kwemhangura zvinokanganisa mitengo nenguva yekutanga; simbisa kwazvino kwakabva uye magwaro echivakwa chakataurwa.
5. Kugadzirisa Mutengo: Nepo RO4350B ichinyanya kudhura kugadzira kupfuura PTFE-based laminates, ichiri kuda kutariswa kune kwakakodzera nzira dzekugadzira (semuenzaniso, kuchera, kugadzirira gomba), izvo zvinogona kukanganisa mutengo wekugadzira.
6. Mutengo-Kuita Ratio: RO4350B inoonekwa sekupa yakaringana chiyero pakati pekuita uye mutengo, zvichiita kuti ive sarudzo inokwezva kune zvikumbiro zvinoda zvese kuvimbika kwepamusoro uye kugona. Izvi zvinoita kuti zvive zvakanyanya kufadza kune zvekutengesa zvikumbiro senge wayaya masikirwo uye mota radar masisitimu, uko kuita kwakakosha, asi kudhura kwemari kwakakosha zvakare.

Kunyange hazvo mitengo chaiyo ichizosiyana zvichienderana nezvinodiwa nemutengesi uye maodha, RO4350B inowanzo kupa mhinduro inodhura zvishoma yemagadzirirwo ePCB ane frequency yakakwira kana tichienzanisa nezvimwe zvinhu zvine mashandiro epamusoro. Kuti uwane fungidziro chaiyo yemutengo, kukumbira mutengo wepurojekiti kubva kumutengesi wezvinhu ane hunyanzvi kana mugadziri wePCB kunokurudzirwa.

Dhizaini Mafungiro eRogers RO4350B

Paunenge uchigadzira neRO4350B, mainjiniya anofanirwa kufunga zvakati wandei kuti agone kuita:

1. Impedance Control: Shandisa impedance Calculator kuverengera Dk uye ukobvu hwezvinhu kuti uve nechokwadi chekuti impedance inoenderana muRF maseketi.
2. Thermal Management: Shandisai thermal conductivity yemidziyo yekubvisa kupisa kunoshanda, kunyanya mumashandisirwo emagetsi epamusoro.
3. Multilayer Dhizaini: Ita shuwa kuti RO4350B's dimensional kugadzikana inoshandiswa mumabhodhi akawanda, kuderedza njodzi yekutadza nekuda kwekuwedzera kwekupisa panguva yekuyerera kana kushanda.
4. Mazano ekugadzira: Tevedzera zvinokurudzirwa maitiro ekuchera, simbi, uye kurapwa kwepamusoro kudzivirira kuremara senge resin nzara kana voids.

Maitiro ekugadzirisa

• Pre-bake: 125°C kusvika 150°C kubvisa hunyoro.
• Kuchera: Shandisa mabheti matsva uye kumhanya kunodzorwa kugadzira gomba rakachena.
• Gomba Kugadzirira: Funga nezve plasma kana kemikari desmear maitiro ekuona maburi akachena.
• Metallization: RO4350B inoenderana neyakajairwa electroless mhangura kana yakananga dhipoziti maitiro ekutendeseka conductivity.

mhedziso

Rogers RO4350B chinhu chinoshamisa chekugadzira maPCB ane frequency yakakwira, ichipa chiyero chekushanda kwemagetsi kwepamusoro, simba remakanika, uye kugona kugadzira zvinhu zvinodhura zvishoma. Kugara kwayo kwakasimba kwe dielectric, kurasikirwa kwakaderera, uye hunhu hwakanaka hwekupisa kunoita kuti ive sarudzo yakavimbika yeRF uye ma microwave applications mumaindasitiri akadai sekutaurirana, mota, ndege, uye zvishandiso zvekurapa. Nekutevera nhungamiro dzakakodzera dzekugadzira uye kugadzirisa, mainjiniya vanogona kushandisa zvizere hunhu hweRO4350B kugadzira masisitimu emagetsi anoshanda zvakanyanya uye akavimbika echizvarwa chinotevera che matekinoroji ane frequency yakakwira. Kuti uwane mutengo wakasimba, ipa mafaira ekugadzira aripo iye zvino, kuvaka kwezvinhu, ukobvu hwebhodhi, mhangura, zvinodiwa zveRF bvunzo uye huwandu. Izvi zvinobvumira mutengo kuratidza nzira chaiyo yekugadzira.