PTFE a wɔde fiberglass ntama akata so no ada adi sɛ ade a ɛsakra agoru wɔ wiase a wɔde tintim circuit board a ɛwɔ frequency a ɛkorɔn (PCB) mu. Saa ade foforo yi de dielectric su soronko a ɛwɔ polytetrafluoroethylene (PTFE) mu ne ahoɔden ne ahoɔden a ɛwɔ fiberglass mu no bom, na ɛma ɛyɛ substrate a ɛkyɛn so wɔ ɛlɛtrɔnik dwumadie a ɛyɛ den mu. Bere a ɛlɛtrɔnik mfiri a ɛyɛ ntɛm na wotumi de ho to so a wɔhwehwɛ kɔ so yɛ kɛse no, ntama a wɔde PTFE akata so abɛyɛ ade a ɛho nhia wɔ PCB ahorow a ɛyɛ adwuma yiye a wɔyɛ mu. Ne dielectric constant a ɛba fam, sɛnkyerɛnne a ɛyera kakraa bi, ne ɔhyew a ɛyɛ den a ɛkorɔn no ma ɛyɛ nea eye ma dwumadie a ɛfiri telefon so nkitahodi ne ahunmu kɔsi aduruyɛ mfiri ne 5G mfiridwuma so.

Nneɛma soronko a ɛwɔ PTFE Coated Fiberglass Fabric mu

Dielectric Adwumayɛ a Ɛyɛ soronko

PTFE a wɔde fiberglass ntama adura ho no de dielectric su a ɛyɛ nwonwa hoahoa ne ho, na ɛma ɛda nsow wɔ PCB nneɛma a wɔtaa de di dwuma ho. Ne dielectric constant a ɛba fam a ɛtaa fi 2.1 kosi 2.65 no ma sɛnkyerɛnne a wɔkyinkyim ne crosstalk wɔ frequency a ɛkorɔn mu no so tew. Saa su yi ho hia kɛse ma sɛnkyerɛnne no mudi mu kura a wɔbɛkɔ so akura mu wɔ application ahorow a picosecond biara bu akontaa no mu. Ade no dissipation factor a ɛba fam no ma ne adwumayɛ kɔ so yɛ kɛse denam sɛnkyerɛnne a ɛyera a ɛtew so, na ɛma wotumi de tumi a ɛyɛ adwuma yiye na ɛma circuit no nyinaa yɛ adwuma yiye.

Ɔhyew a Egyina pintinn ne Nsusuwii a Ɛkɔ So

Ade biako a ɛda nsow wɔ PTFE a wɔde fiberglass ntama adura ho ne sɛnea ɛyɛ soronko wɔ ɔhyew mu. Ade no kura ne anyinam ahoɔden ne mfiridwuma mu su ahorow mu wɔ ɔhyew a ɛtrɛw mu, efi tebea horow a ɛma ɛyɛ hyew so kosi ɔhyew a ɛboro 250°C so. Saa gyinabea yi ma ɛyɛ adwuma daa wɔ mmeae a emu yɛ den, na ɛma ɛyɛ nea eye ma ahunmu ne asraafo dwumadi ahorow. Afei nso, ntama no coefficient of thermal expansion (CTE) a ɛba fam no boa ma dimensional stability a eye kyɛn so, ɛtew warpage na ɛma circuit geometries pɛpɛɛpɛ kɔ so wɔ ɔhyew nhyɛso mpo ase.

Nnuru a Ɛko Tia ne Nsu a Ɛntumi Nkɔ Mu

PTFE a wɔde kata so no ma nnuru a ɛkorɔn a ɛko tia fiberglass ntama no, na ɛbɔ ho ban fi nnuru ahorow pii a wɔde kata so, acid, ne nneɛma afoforo a ɛporɔw ho. Saa ahoɔden a ɛko tia yi som bo titiriw wɔ mfiridwuma mu mmeae a emu yɛ den anaasɛ nneɛma a wɔde di dwuma a wɔde nnuru tebea horow a emu yɛ den di dwuma. Bio nso, PTFE su a ɛyɛ nsuo no ma ntama no ntumi nkɔ nsuo mu kɛseɛ, ɛbɔ PCB no anyinam ahoɔden mudi mu kura ho ban na ɛsi nsɛm te sɛ delamination anaa sɛnkyerɛnne a ɛsɛe ɛnam nsuo a ɛyɛ nwini nti ano.

Dwumadi ne Mfaso a Ɛwɔ High-Frequency PCB Design mu

5G ne Telefon so Nkitahodi a Ɛkɔ Anim

5G ntam nkitahodi ahorow a wɔde reba no ama ahwehwɛde ahorow a ebi mmae da aba PCB nneɛma so, na ɛhwehwɛ sɛ wɔde substrates a etumi di milimita-asorɔkye mpɛn dodow ho dwuma a ɛhwere ade ketewaa bi. PTFE coated fiberglass ntama akɔ soro akɔ saa asɛnnennen yi, de dielectric constant a ɛba fam ne low loss tangent a ɛho hia ma sɛnkyerɛnne trɛw a etu mpɔn wɔ frequency a ɛboro 24 GHz ma. Nea wɔde di dwuma wɔ 5G base stations, cells nketewa, ne customer premises equipment (CPE) mu no aboa kɛse ma wɔanya data rates a ɛkorɔn ne latency a ɛba fam a awo ntoatoaso a edi hɔ wireless mfiridwuma ahyɛ bɔ no.

Ahunmu ne Ahobammɔ Ɛlektrɔnik Nneɛma

Wɔ ahunmu ne ahobammɔ adwumayɛbea ahorow mu, baabi a ahotoso ne adwumayɛ wɔ tebea horow a emu yɛ den mu yɛ nea ɛho hia sen biara no, wɔde ntama a wɔde fiberglass a wɔde PTFE akata so adi dwuma kɛse. Efi radar nhyehyɛe ne satellite nkitahodi so kosi ɛlɛtrɔnik akodi mfiri so no, anyinam ahoɔden a ɛyɛ adwuma, ɔhyew a ɛma ɛyɛ den, ne nneɛma a atwa yɛn ho ahyia a ɛyɛ den a ɛko tia saa ade yi a wɔaka abom no ma ɛyɛ nea eye sen biara. Ne mu duru a ɛba fam sɛ wɔde toto atetesɛm mu PTFE a wɔde dɔte ahyɛ mu ma ho a, ɛno nso boa ma pɛtro a wɔde di dwuma yiye wɔ mframa mu.

Digitals ne RF/Microwave Circuits a Ɛyɛ Ahoɔhare Kɛse

Digitals circuits dɔn ahoɔhare a ɛrekɔ soro ne push a ɛkɔ soro kɔ frequency RF ne microwave applications no ama PTFE coated fiberglass fabric ayɛ ade a adwumfo kɔ. Ne dielectric constant a ɛba fam no ma kwan ma sɛnkyerɛnne trɛw ntɛmntɛm, bere a ne su a ɛyera a ɛba fam no ma wotumi yɛ antenna ne filter ahorow a etu mpɔn, ɛyɛ ketewaa. Wɔ dijitaal dwumadie a ɛkɔ ntɛmntɛm mu no, adeɛ no anyinam ahoɔden a ɛkɔ so daa wɔ frequency range a ɛtrɛ mu no boa ma nsɛnkyerɛnneɛ no yɛ pɛpɛɛpɛ, ɛtew bit mfomsoɔ so na ɛma nhyehyɛeɛ no nyinaa adwumayɛ tu mpɔn.

Nneɛma a Wɔsusuw Ho ne Daakye Nneɛma a Ɛbɛba

Nneɛma a Wɔde Yɛ Nneɛma Pɛpɛɛpɛ

Sɛ wɔde PTFE a wɔde fiberglass ntama akata so yɛ adwuma a, ɛhwehwɛ sɛ wɔfa akwan titiriw a wɔfa so yɛ nneɛma na ama wɔatumi de ne su soronko no adi dwuma koraa. Wɔayɛ laser drilling ne plasma etching akwan a ɛkɔ akyiri a ɛbɛma wɔayɛ vias a ɛwɔ afã horow a ɛkorɔn ne fine-line circuitry a wɔrensɛe ade no anyinam ahoɔden su. Saa akwan a wɔfa so yɛ nneɛma pɛpɛɛpɛ yi ma wotumi yɛ PCB ahorow a ɛyɛ den, a ɛwɔ ntoatoaso pii a ɛpia adwumayɛ a ɛkɔ soro no ahye.

Ano aduru a Ɛho Ka sua ne Nneɛma Foforo a Wɔyɛ

Bere a PTFE coated fiberglass ntama ma adwumayɛ a ɛkorɔn, ne bo ayɛ ade a ɛto ano hye fi tete wɔ dwumadie binom mu. Nanso, nhwehwɛmu ne nkɔsoɔ mmɔdenbɔ a ɛkɔ so no twe adwene si so sɛ wɔbɛyɛ nnuru a ɛho ka sua a ɛkura anyinam ahoɔden ne ɔhyeɛ su a ɛho hia no mu berɛ a ɛtew nneɛma ho ka nyinaa so. Saa nneɛma foforo yi bi ne nneɛma a wɔde afrafra a ɛka PTFE ne polymers afoforo a ɛyera pii bom, ne akwan a ɛkɔ anim a wɔfa so kata so a ɛma PTFE layer no mu duru ne biakoyɛ yɛ papa.

Nneɛma a Atwa Yɛn Ho Ahyia Ho Nsusuwii ne Nneɛma a Ɛkɔ So Daa

Bere a ɛlɛtrɔnik adwumayɛkuw no de wɔn adwene si nneɛma a ɛbɛkɔ so atra hɔ daa so kɛse no, wɔn a wɔyɛ ntama a wɔde fiberglass a wɔde PTFE akata so no rehwehwɛ akwan foforo a ɛnyɛ nea ɛmma nneɛma a atwa yɛn ho ahyia ne akwan foforo a wɔfa so de di dwuma bio. Bere a PTFE ankasa yɛ nea nnuru ntumi nyɛ adwuma na ɛnyɛ awuduru no, wɔrebɔ mmɔden sɛ wɔbɛyɛ akwan a wɔbɛfa so ayɛ nneɛma a ɛbɛkɔ so atra hɔ daa ne ano aduru a wɔde bɛsan de adi dwuma wɔ nkwa awiei. Wɔn a wɔyɛ nneɛma binom reyɛ nhwehwɛmu wɔ akwan foforo a egyina bio-based ananmu de si atetesɛm PTFE precursors ananmu, a wɔn botae ne sɛ wɔbɛtew carbon footprint a ɛwɔ PCB nneɛma a ɛyɛ adwuma yiye mu a wɔrensɛe wɔn anyinam ahoɔden soronko no.

Awie

PTFE coated fiberglass ntama agye ne ho sɛ tweatibo ade wɔ ahemman a high-frequency PCB nhyehyɛe. Ne anyinam ahoɔden, ɔhyew, ne mfiridwuma mu nneɛma soronko a wɔaka abom no ma ɛyɛ agyapade a ɛsom bo kɛse wɔ ɛlɛtrɔnik adwumayɛ ahye a wɔpia no mu. Bere a mfiridwuma kɔ so nya nkɔso, a ɛhwehwɛ sɛ wɔde frequency a ɛkɔ soro bere nyinaa ne adwumayɛ tebea horow a emu yɛ den kɛse no, wɔayɛ nhyehyɛe sɛ dwuma a fiberglass ntama a wɔde PTFE akata so di wɔ awo ntoatoaso a edi hɔ ɛlɛtrɔnik mfiri ahorow a ɛbɛma wɔatumi ayɛ mu no bɛkɔ soro. Esiane sɛ wɔrekɔ so ayɛ nneɛma foforo wɔ nneɛma ho nyansahu ne akwan a wɔfa so yɛ nneɛma mu nti, akyinnye biara nni ho sɛ saa ade a wɔde yɛ nneɛma pii yi bedi dwuma titiriw wɔ ɛlɛtrɔnik mfiri a ɛyɛ adwuma yiye daakye a wɔbɛhyehyɛ no mu.

Di Yɛn Nkitahodi

Woasiesie wo ho sɛ wode PTFE a wɔde fiberglass ntama akata so bɛma wo PCB adwumayɛ akɔ soro? Aokai PTFE de nneɛma a ɛyɛ fɛ a wɔayɛ ama w’ahiade pɔtee ma. Nya mfaso a ɛwɔ dielectric adwumayɛ a ɛkorɔn, ɔhyew a ɛyɛ den, ne nneɛma a wɔyɛ no pɛpɛɛpɛ so. Di yɛn ho nkɔmmɔ nnɛ wɔ mandy@akptfe.com sɛ wobɛhunu sɛdeɛ yɛn PTFE ano aduru bɛtumi ama wo awoɔ ntoatoasoɔ a ɛdi hɔ ɛlɛtrɔnik nsusuiɛ ahoɔden.

Nsɛm a wɔde gyinaa so

Johnson, R. W., & Cai, J. Y. (2022) ne wɔn a wɔka wɔn ho no. PCB Nneɛma a Ɛkɔ Anim a Wɔde Di Dwuma wɔ Mpɛn pii Mu. IEEE Nkitahodi wɔ Components, Packaging ne Manufacturing Technology, 12 (3), 456-470.

Zhang, L., ne Chen, X. (2021) ne wɔn a wɔka wɔn ho no. PTFE-Based Composites wɔ 5G Infrastructure mu: Nsɛnnennen ne Hokwan ahorow. Nsɛmma nhoma a ɛfa nneɛma ho nyansahu ho: Nneɛma wɔ Ɛlektrɔnik, 32 (8), 10245-10260.

Nakamura, T., ne Smith, P. (2023) ne wɔn a wɔka wɔn ho no. Ɔhyew ho nhyehyɛe a wɔde di dwuma ma PCB ahorow a ɛwɔ frequency a ɛkorɔn a wɔde PTFE Substrates di dwuma. Microelectronics Ahotoso, 126, 114328.

Li, Y., ne Brown, A. (2022) ne wɔn a wɔka wɔn ho no. Nneɛma a atwa yɛn ho ahyia ho nhwehwɛmu a ɛfa PCB nneɛma a egyina PTFE so ho: Asetra mu kyinhyia ho adwene. Nneɛma ne Mfiridwuma a Ɛkɔ So Daa, 31, e00295.

Anderson, K., ne Patel, S. (2023) ne wɔn a wɔka wɔn ho no. Nkɔso a aba wɔ Nneɛma a Wɔyɛ mu Ma PTFE-Coated Fiberglass PCBs. Ɔmansin Wiase, 49 (2), 85-97.

Wang, H., ne García-García, A. (2021) ne wɔn a wɔka wɔn ho no. PTFE-Gyina Substrates a wɔde yɛ Millimeter-Wave 5G Dwumadi ahorow no su. IEEE Microwave ne Wireless Nneɛma Nkrataa, 31 (4), 385-388.