Umhlahlandlela ophelele we-Flexible PCB Design

Umklamo we-Flex PCB

Ama-PCB aguqule umhlaba wezinto zikagesi ngokunika amandla imiklamo emisha efana nama-smartphones agoqekayo kanye nemishini yezokwelapha egqokekayo. Lezi zisekhethi eziguquguqukayo zakhiwe ngezinto ezizivumela ukuthi zigobe futhi zivumelane nezimo ezihlukahlukene, okuzenza zibaluleke ekuthuthukisweni komkhiqizo wesimanje we-elekthronikhi. Kulo mhlahlandlela onemininingwane, sizocubungula ubunkimbinkimbi bedizayini ye-PCB eguquguqukayo, sihlole izinto zokwakha, izinqubo, nezindlela ezihamba phambili zokukusiza uthuthukise amakhono akho obuchwepheshe futhi wehlise izindleko zephrojekthi.

Ukuqonda ama-Flexible PCB

Ama-PCB aguqukayo, awaziwa nangokuthi amasekhethi aguquguqukayo, aklanyelwe ukuhlinzeka ngokusebenza kokugoba nokugoqa ngokusebenzisa izinto ezizacile nezivumelana nezimo uma kuqhathaniswa nama-PCB endabuko aqinile. Ukuze uthole ukuqonda okujulile kwedizayini ye-PCB eguquguqukayo, kubalulekile ukubamba izinto ezihilelekile:

1. I-Copper Foil eqhubayo

Ucwecwe lwethusi lwe-conductive luyinto eyinhloko enesibopho sokuhamba kukagesi kusekethe. Ingahlinzekwa ngamafomu afakwe ngokugcwele noma ezinga lokushisa eliphansi, okuthuthukisa ukuguquguquka kwayo. Icwecwe le-Copper linesibopho sokwenza iminonjana ye-conductive ku-PCB eguquguqukayo.

2. Isivikelo

Izinto ezivamile zesivikelo zifaka i-polyimide, i-PET, i-PEN, i-PTFE, ne-aramid, edinga ukukhombisa ukuguquguquka okwanele. Lezi zinto zisebenza njenge-substrate esekela imikhondo yethusi ngenkathi ihlinzeka ngokufaka ugesi phakathi kwazo.

3. Isendlalelo Sekhava

Ngokufana nesendlalelo semaski ye-solder kuma-PCB aqinile, isendlalelo sekhava kuma-PCB aguquguqukayo sisebenzela ukuvikela umjikelezo futhi sihlukanise amakhondaktha ethusi njengongqimba olungaphandle kakhulu. Ngenxa yesidingo sokuhambisana nezici zokugoba, isendlalelo sekhava sidinga ukuguquguquka.

4. Unamathela

I-adhesive isetshenziselwa ukuhlanganisa izingqimba ezihlukene ze-PCB eguquguqukayo ndawonye. Ilapha ngemva kokulahlwa, iqinisekisa ukuthi izendlalelo zihlala zinamathele ngokuvikelekile.

5. I-Adhesive-less

Kwezinye izimo, izinto ezincanyana ezinamathelayo zincanyelwa ukugwema izinkinga ezinjengokuqhekeka kwezinga lokushisa eliphezulu, ukumuncwa komswakama, nokuqina kongqimba lwethusi okwenyukayo kuyilapho kunikeza ukuguquguquka okukhulu.

Umgomo omkhulu wanoma iyiphi i-PCB, kungakhathaliseki ukuthi ivumelana nezimo noma iqinile, iwukuvikela izingxenye ze-elekthronikhi kumaleya angaphandle nokusungula ukuxhumana okuthembekile kukagesi phakathi kwamatheminali engxenye namaphedi okuqhuba. Lokhu kufezwa ngokubhoboza ibhodi nokwenza i-electroplating ukuze kufakwe izendlalelo zethusi ezindongeni zembobo.

Ezinhlelweni eziningi, izingqimba ezi-2 kuye kwezi-6 ze-PCB eziguquguqukayo zanele. Kodwa-ke, ukuze uthole imiklamo eyinkimbinkimbi, efana naleyo etholakala kumishini yezokwelapha ethuthukisiwe noma ama-smartphone aphambili, kungadingeka izendlalelo ezingafika kweziyi-12 ukuze kufakwe izingxenye ezidingekayo nokuxhumana.

I-Flexible PCB Design Inqubo

Inqubo yokuklama i-PCB eguquguqukayo ilandela isethi emisiwe yezinyathelo zokuqinisekisa ukudalwa ngempumelelo kwesekethe esebenzayo nethembekile. Lezi zinyathelo zihlanganisa:

1. Ukuqonda Umsebenzi

Qala ngokuqonda kahle izidingo zephrojekthi, okuhlanganisa ukucaciswa kwamanje, izidingo ze-voltage, amandla, i-impedance, isidingo sokuvikela, imininingwane yezintambo, nokuhluka kwamasignali. Lesi sigaba sokuqala sibeka isisekelo sayo yonke inqubo yokuklama.

2. Indalo ewuhlelo

Dala i-schematic enemininingwane echaza isekethe, okuhlanganisa ukuxhumana nobudlelwano bezingxenye ezahlukene ze-elekthronikhi. Lesi schematic sisebenza njengohlaka lokwakheka okubonakalayo kwe- PCB eguquguqukayo.

3. Ukwakheka Kwesekethe kanye Nengxenye

Cabangela ngokucophelela ukwakheka komzimba wesekethe, kucatshangelwa amabanga phakathi kwezingxenye kanye nokulandelwa kwesifunda. Ukunakwa okukhethekile kufanele kunikezwe izindawo lapho i-PCB eguquguqukayo izogotshwa noma igoqwe.

4. Ukuqinisekiswa Kwedizayini

Ukuqinisekisa ukuqhubeka kwephrojekthi, engeza amalebula kanye nezihlonzi kumklamo. Ngaphezu kwalokho, sebenzisa isofthiwe yokulingisa noma wakhe amaphrothokholi ukuqinisekisa ukwakheka kwe-PCB okuguquguqukayo , uqinisekise ukuthi kuyahlangabezana nezidingo zephrojekthi.

5. Isizukulwane Sefayela

Khiqiza amafayela okukhiqiza, kufaka phakathi amafayela e-Gerber, abalulekile ekukhulumeni imininingwane yokuklama kubakhiqizi ngokunembile.

6. Ukukhiqiza kanye Nokuhlanganisa

Hlanganyela nokukhiqiza okungeziwe noma onjiniyela bemishini ukuze uqinisekise ukuhambisana kwe-PCB eguquguqukayo kuyo yonke idivayisi, ucabangela ukugoba nokulolongwa kwe-PCB eguquguqukayo. Lokhu kubambisana kubalulekile ukuze kuvinjwe izinkinga ngesikhathi sokukhiqiza nokuhlanganisa.

Amathiphu Omklamo Ophumelelayo We-PCB Ovumelana nezimo

Ukuklama ama-PCB aguquguqukayo kuveza izinselele eziyingqayizivele nokucatshangelwa okuhlukile kuma-PCB aqinile. Nawa amanye amathiphu abalulekile okuqinisekisa impumelelo:

Uhlobo Lwesekethe

Qonda ukusetshenziswa okuhlosiwe kwe-PCB eguquguqukayo. Ingabe okokugoba okuncane (“static”) noma ukugoba okuvamile (“dynamic”)? Ukukhetha kuncike ezintweni kanye nokushuba kwe-PCB. Ama-PCB aqinile aguquguqukayo anokuguquguquka okumpofu, ngakho izindawo ezincane zibalulekile kumasekhethi aguqukayo.

Cabangela ukusebenzisa ubuchwepheshe be-PCB obuguquguqukayo obuguquguqukayo lapho udinga uxhumano oluguquguqukayo lwe-3D olungabunjwa futhi lugotshwe lube yizimo ezihlukahlukene. Ama-PCB aguquguqukayo ahlanganisa ama-PCB amaningi, izintambo ezixhumeneyo, noma izintambo zibe iyunithi eyodwa, athuthukisa ukusebenza nokubumbana.

Qaphela i-semi-flex PCBs, asebenzisa ubuchwepheshe bokugaya obujulile ukuze kube mncane izindawo ezithile zokuguquguquka. Ngaphandle kwamagama abo, empeleni basengama-FR-4 PCB.

Isakhiwo somzila

Idizayini enesivinini esikhulu yama-PCB aguquguqukayo idala izinselele zokulawula ukuthintana ngenxa yokunqwabelana kongqimba. Izibalo zesendlalelo ezihlukene zinikeza ukwakhiwa okuhlukahlukene, ngasinye sinezinzuzo kanye nokubi ngokuhambisana nobuqotho besignali nokuguquguquka.

I-impedance ingase ithikamezeke ngezinto zokufakelwa, ukulandelela ububanzi, ukujiya, kanye nebanga phakathi komkhondo wesiginali kanye nongqimba lwereferensi. Ukusebenzisa isendlalelo esingaphansi njengendiza eyireferensi kungasiza ukulawula ukuphuma kwesignali nokuthuthukisa ubuqotho besignali.

Ukuze uvimbele ukuphazamiseka kwe-electromagnetic ( EMI ) noma ukuhlanganiswa kwesignali okungahlosiwe, cabanga ngokusebenzisa isivikelo sethusi esiqinile, ukuqandusela okuhlanganisiwe, noma uyinki wesiliva. Ukuqandusela okuhlanganisiwe akusizi nje kuphela nge-EMI kodwa futhi kuthuthukisa ukuguquguquka futhi kunciphisa isisindo.

Naka ngokukhethekile izindawo zokugoba. Isilinganiso sokugoba, siqhathanisa irediyasi yokugoba nogqinsi lwesekethe, kunomthelela ukuqina kokugoba. I-bend radii encane yandisa ingozi yokwehluleka, ngakho hlaziya imithelela engase ibe khona yokugoba ezindleleni zekhondatha. Lapho ulandela umkhondo, qiniseka ukuthi unqamula izindawo ezigobile eziqonde kumugqa wokugoba, kuyilapho i-vias namaphini kufanele kukhishwe ukuze kuvinjelwe umonakalo. Ukulandelela okumangalisayo kungasiza ukugcina ukuguquguquka.

Isakhiwo Sengxenye

Izingxenye ezikuma -PCB aguquguqukayo zisengozini yokuphakama ngenxa yokugoba. Abakhiqizi bavame ukusebenzisa amasu okubambelela, kodwa abaklami bangandisa nosayizi wephedi ukuze banciphise le nkinga, ikakhulukazi emiklamo enohlangothi olulodwa. Izimbambo zokuqinisa zemishini zingafakwa ezindaweni ezithile ukuze kutholakale amandla engeziwe.

Hlola izikhala ze-X, Y, kanye no-Z zezingxenye hhayi nje endaweni eyisicaba kodwa futhi phakathi nenqubo yokugoba usebenzisa amathuluzi okubuka.

Ukucutshungulwa okwengeziwe

Njengoba usondela esigabeni sokukhiqiza, kubalulekile ukusebenza nomkhiqizi onesipiliyoni sokukhiqiza ama-PCB aguquguqukayo. Lezi zinto zinezinselelo eziyingqayizivele zokukhiqiza kanye nezikhathi zokuhola ezinde, okwenza ukubambisana nochwepheshe kubaluleke. Amafomethi wedatha ahlakaniphile okudlulisa ifayela, njenge-IPC-2581, alula inqubo yokudlulisa eyinkimbinkimbi yemiklamo eguquguqukayo.

Khetha amathuluzi okuklama i-PCB ahambisana nomklamo wesekethe oguquguqukayo. Amathuluzi afana ne-OrCAD PCB Designer by Cadence, ahlonyiswe ngamakhono e-3D kanye nezici ezenzelwe iziqondiso zomklamo oguquguqukayo, ahlinzeka ngendawo esebenza kahle kakhulu yokuklama amasekethe aguquguqukayo naqinile.

Flexible-circuit construction and release questions

The flex material, copper, coverlay, stiffeners and bending conditions form one design problem. The assembly and inspection plan should reflect that approved construction.

Isiphetho

Ama-PCB aguquguqukayo angenise inkathi entsha yokuqanjwa kabusha kwe-elekthronikhi, evumela izisetshenziswa ezingafanelana nomzimba womuntu futhi zigoqeke zibe yizimo ezihlangene. Lo mhlahlandlela unikeze ukuhlola okujulile kwedizayini ye-PCB eguquguqukayo, egxile ezintweni ezisetshenziswayo, izinqubo zokukhiqiza, kanye nezindlela ezihamba phambili.

Njengoba uqala uhambo lwakho lokuklama lwe-PCB oluguquguqukayo, khumbula ukuthi ukusebenzisana nabakhiqizi abanolwazi kanye nokusetshenziswa kwamathuluzi okuklama okukhethekile kuyisihluthulelo sempumelelo. Umhlaba wezinto zikagesi eziguquguqukayo uyaqhubeka nokuvela, futhi iminikelo yakho kulo mkhakha ibalulekile.

Uma ufuna umkhiqizi wephrojekthi yakho ye-PCB evumelana nezimo, cabanga ukuhlola isevisi ye-PCBA ye-turnkey ye-Highleap Electronic. Banikeza izixazululo zokuphela-kuya-ekupheleni, kusukela ekuklanyweni kuya ekuhlanganiseni, ukuqinisekisa ikhwalithi ephezulu kakhulu ngamanani ancintisanayo. Thatha isinyathelo manje futhi ucele isicaphuna se-PCB esivumelana nezimo ukuze ulethe imibono yakho emisha ekuphileni. Impendulo yakho nolwazi lwakho lubalulekile, ngakho-ke ungangabazi ukwabelana nathi njengoba siqhubeka nokuhlola amathuba ajabulisayo wezinto zikagesi eziguquguqukayo.