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Basa rePCB Stiffeners muIndasitiri Yemagetsi

Chii chinonzi PCB Stiffeners

Zvisimbiso zvePCB zvinhu zvekusimbisa zviri munzvimbo imwe chete zvakabatanidzwa kumabhodhi edunhu anochinjika kana kuti akaomarara kuti zvigadzire nzvimbo dzakasimba uko dhizaini inoda kugadzikana kwemuchina. Pasina zvisimbiso, macircuit anochinjika haazove nehurongwa hwakakodzera hwekubatanidza zvinobatana zvakavimbika, rutsigiro rwechimiro runodiwa pakuisa zvikamu zveSMT, uye kuomarara kwekubata kunodiwa nemidziyo yekuunganidza otomatiki.

Pasinei nekukosha kwazvo, matiffeners ndeimwe yezvinhu zvisina kunyatsotsanangurwa mumapakeji ekugadzira maPCB - zvichikonzera matambudziko ekugadzira, kutadza kuvimbika kweconnector, uye magadzirirwo asina kukodzera. Gwaro iri rinofukidza kusarudzwa kwezvinhu, ukobvu, nzira dzekubatanidza, mitemo yekugadzira, uye kubatanidzwa kwekugadzira muchidimbu icho mainjiniya vanoda kuti vagadzire matiffeners pakutanga.


1) Zvinoitwa nePCB Stiffeners uye Nei Zvichikosha

1.1 Mabasa Ekutanga

Stiffeners dzinoshanda mabasa mana akasiyana einjiniya paPCB dzinochinjika uye dzinochinjika :

  • Rutsigiro rwekubatanidza: Zvinobatanidza zveZIF, zvinobatanidza zvebhodhi-ku-bhodhi, uye zvinobatanidza zvemakadhi-edge zvinoda nzvimbo yakatsetseka uye yakasimba yekusangana. Pasina chinosimbisa chinotsigira nzvimbo yekubatanidza, flex circuit inotsauka panguva yekuiswa, zvichikonzera kukuvara kwekubatana kana connector.
  • Kurongeka kwezvikamu zveSMT: Zvikamu zvinosungirirwa pamusoro pechinhu — kunyanya QFPs dzakapfava, BGAs, uye 0201/01005 passives — zvinoda nzvimbo yakarongwa panguva yekusonesa zvakare. Stiffeners dzinogadzira puratifomu yakagadzikana inodzivirira warpage uye inoita kuti coplanarity munzvimbo yese yesolder paste deposit.
  • Kugadzirisa kuomarara: Michina yekutora-nekuisa otomatiki, maovheni ekugadzirisazve, uye masisitimu eAOI akagadzirirwa zvinhu zvakasimba. Zvimiti zvinosimbisa zvinopa macircuit eflex kuomarara kwenguva pfupi kana kusingaperi kunodiwa kuti zvifambe nemumichina iyi pasina jams, misfeeds, kana zvikanganiso zvekuongorora.
  • Strain relief: Pakuchinja pakati penzvimbo inochinjika nenzvimbo yakaoma (kana pakati pemuswe unochinjika nechinobatanidza tambo), zvinhu zvinosimbisa zvinoparadzira kushushikana kwemuchina panzvimbo yakakura, zvichidzivirira kuneta kutsemuka pamuganhu unochinjika kusvika pakasimba.

1.2 Apo Kuoma Kwepfungwa Kusiri Mhinduro

Zvinosimbisa zvinowedzera ukobvu, huremu, uye mutengo. Hazvifanirwe kushandiswa senzira yekugadzirisa matambudziko anofanira kugadziriswa nekugadzira zvakanaka kana kusarudza zvinhu. Kana dunhu rako rese reflex richida kusimba, ungangoda PCB yakasimba - kwete bhodhi rinosimba rakafukidzwa nezvinosimbisa. Kana nzvimbo chaiyo ichida rutsigiro rwepakati asi kwete kusimba kwakazara, polyimide stiffener yakatetepa kana coverlay build-up inogona kunge yakakodzera kupfuura FR4 panel yakakora.


2) Zvinhu Zvinoomesa: Zvivakwa, Kuchinjana, uye Maitiro Ekusarudza

2.1 Kuenzanisa kwezvinhu

zvinhu Thermal Conductivity (W/m·K) Kuwandisa (g / cm³) CTE (ppm/°C) Relative Cost
Polyimide (PI) 0.12-0.35 1.42 20-30 $$
FR4 0.25-0.30 1.85 14–17 (X/Y) $
Simbi Isina Kushanda (SUS 304) 16 7.93 17.3 $$$
Aluminium (6061-T6) 167 2.70 23.6 $$

2.2 FR4 Stiffeners

FR4 ndiyo sarudzo yekutanga kune akawanda maPCB stiffener applications. Inopa rutsigiro rwakasimba rwemakanika, mutengo wakaderera, uye inoenderana zvakanaka nekupisa kusina lead reflow (Tg values ​​ye130–180°C zvichienderana negiredhi). FR4 stiffeners dzinogadzirwa zviri nyore kuita magadzirirwo akaomarara, dzinogamuchira maburi anoburitswa nepakati uye akachekwa, uye dzinogona kupedzwa pamusoro kana zvichidikanwa.

Zvakanakira: Kutsigira kwekubatanidza, nzvimbo dzekuisa zvikamu, nzvimbo dzekubata dzekubatanidza otomatiki. FR4 ndiyo sarudzo yakakodzera kune inosvika 70% yekushandiswa kwekuomesa.

Muganho: FR4 ine Z-axis CTE isina kunaka (~60 ppm/°C), izvo zvinogona kukonzera kushushikana kwemajoini e solder muzvikamu zvakakura zvinosangana nekuchinja-chinja kwekushisa. Kune mashandisirwo akavimbika anoda kupisa kwakadzika, ongorora kusawirirana kweCTE nokungwarira.

2.3 Polyimide (PI) Stiffeners

Zvishandiso zvepolyimide zvinopa rutsigiro rwakaringana uku zvichiramba zvichienderana nezvinhu zvebase flex. Nekuti zvese substrate yeflex ne stiffener zviri polyimide, CTE matching iri nani pane FR4 kana metal options, zvichideredza kushushikana kweinterfacial panguva yekupisa.

Zvakanakira: Mapurofayiri matete apo ukobvu hwakawedzerwa hunofanira kuderedzwa, nzvimbo dzinochinjika dzinoda kusimba kwechikamu, uye mashandisirwo apo chinosimbisa chinofanira kupfuura nepachinoyerera pasina kudzima tembiricha iri pamusoro pe260°C.

Muganho: Zvishandiso zvePI zvinopa kuomarara kushoma pahukobvu hweyuniti pane FR4 kana simbi. Pamashandisirwo anoda rutsigiro rwakasimba rwemakanika, PI ingangoda kuve yakakora zvakanyanya - kana kuwedzerwa nechimwe chinhu.

2.4 Zvimiti zveSimbi Isina Kusimba

Simbi isina ngura (kazhinji SUS 304 kana SUS 301) inopa kuomarara kwakanyanya uye kusatana pahukobvu hweyuniti. Kusimbaradza kwesimbi isina ngura kwe0.2 mm kunoita kuti kuomaradza kwakaenzana kana kukuru pane kusimbaradza kwe0.8 mm FR4 — zvakakosha kana kukwirira kwese kwekuvaka kwakaganhurirwa.

Zvakanakira: Madhizaini akatetepa zvikuru apo ukobvu hwakanyanya kuoma (mafoni, zvinopfekwa), mashandisirwo anoda EMI shield munzvimbo yakasimba (simbi isingatsvedzeri inofambisa mhepo), uye nzvimbo dzine vibration yakanyanya kana mechanical shock (yemaindasitiri, yemotokari, yemuchadenga).

Muganho: Simbi isina ngura inorema (7.93 g/cm³ vs. 1.85 g/cm³ yeFR4), inodhura zvakanyanya pakugadzira michina yakaoma, uye inoda kunamira kunofambisa kana kusungirirwa kwemuchina kana kuisirwa pasi nemagetsi kuburikidza nechinhu chinosimbisa.

2.5 Zvimisikidzo zveAruminiyamu

Aruminiyamu inobatanidza kuomarara kuri pakati nepakati nekufambiswa kwekupisa kwakanaka (167 W/m·K) — zvichiita kuti ive chinhu chinosimbisa chinodiwa kana kupisa kuchipera chiri chinhu chinodiwa pamwe chete nerutsigiro rwemakanika.

Zvakanakira: Kuungana kwe LED flex uko kupisa kunofanira kuitwa kure nenzvimbo ye emitter, magetsi emagetsi pa flex circuits uko stiffener inoshandawo se thermal spreader, uye mashandisirwo apo pasi rinoda kunyudzwa kuburikidza ne stiffener (aruminiyamu inofambisa mvura).

Muganho: CTE yakakwira (23.6 ppm/°C) inogona kukonzera kusawirirana kweCTE ne polyimide flex substrates (20–30 ppm/°C) — isina kukosha zvakanyanya kupfuura FR4 (14–17 ppm/°C mu X/Y) asi yakakosha mukuvaka kwakakora kana tembiricha yakafara.

2.6 Hurongwa hweSarudzo dzeKusarudza Zvinhu

  • ☐ Iyi ipurogiramu yekutsigira chinobatanidza/chikamu here? → FR4 (sarudzo yekutanga)
  • ☐ Kureba kwese kwekuvaka kwakaganhurirwa zvakanyanya here? → Simbi isina ngura (kusimba kwakanyanya pahukobvu)
  • ☐ Ko nzvimbo yekuomesa inoda kupiswa kwekupisa here? → aruminiyamu
  • ☐ Ko chinhu chinosimbisa chinoda kuenderana neCTE here nepolyimide flex? → Polyimide
  • ☐ Ko chinhu chinosimbisa chiri munzvimbo inochinjika inokotama here dzimwe nguva? → Polyimide
  • ☐ Ko chinhu chinosimbisa chinofanira kupa EMI shield here? → Simbi isina ngura or aruminiyamu

3) Hunhu hwehukobvu uye Mitemo yeDimensional

3.1 Sarudzo Dzakajairika dzeUkobvu neZvinhu

zvinhu Hukobvu Hwakajairika Zvisiri zveStandard (Zvinowanikwa kana zvakumbirwa)
Polyimide 0.05, 0.075, 0.1, 0.125, 0.15mm 0.175–0.275 mm (mukuwedzera kwe 0.025 mm)
FR4 0.2, 0.3, 0.4, 0.5, 0.6, 0.8, 1.0, 1.2, 1.5 mm 0.9, 1.6 mm; ukobvu hwakagadziriswa kuburikidza ne lamination
Simbi isina ngura 0.1, 0.15, 0.2, 0.3 mamirimita 0.05, 0.4, 0.5 mm (kuwanikwa kushoma)
aruminiyamu 0.3, 0.5, 0.8, 1.0, 1.2, 1.5mm 0.15, 0.2 mm (geji yakatetepa, stock shoma)

3.2 Maitiro Ekuverenga Ukobvu Hunodiwa Hwekuomesa

Ukobvu hunodiwa hunoenderana nezvinhu zvitatu:

  • Ukobvu hwese hwegungano rechinangwa: Kana gungano rekupedzisira richifanirwa kukwana mukati megomba remukati rine udzamu hwakatarwa, ukobvu hwekuoma = kudzika kwegomba – ukobvu hwedunhu rinochinjika – ganda rinonamira – kukwirira kwechikamu
  • Kuomarara kunodiwa: Zvinhu zvakaoma (simbi isina ngura, FR4) zvinoda ukobvu hushoma kuti zviwane kuramba kuchinjika kwakafanana nezvinhu zvakapfava (polyimide). Kune nzvimbo yakatarwa yetsoka uye mamiriro ekutsigira mupendero, kuchinjika kwakaenzana ne1/t³ (apo t = ukobvu) — saka kupetwa kaviri kunoderedza kuchinjika ne8×
  • Kuenderana kwekuwedzera kwekupisa: Zvimiti zvinokora zvinowedzera kushushikana kweCTE. Kana chinhu chinosimbisa uye chinochinjika chine maCTE akasiyana, deredza ukobvu hwechinhu chinosimbisa kusvika padanho repamusoro rinodiwa kuti chishande zvakanaka.

3.3 Kushivirira Kwemativi

Zvimiro zvemazuva ano zvekutsungirira kwevane simba:

  • Rondedzero (X/Y): ±0.1 mm yeFR4 nePI dzakarongwa; ±0.05 mm yesimbi dzakachekwa kana dzakachekwa nelaser
  • ukobvu: ±10% yeFR4 nePI; ±0.02 mm yesimbi isina ngura nearuminiyamu
  • Kuiswa pa flex circuit: ± 0.15 mm kana tichienzanisa nemabasa edunhu (kuisa kwakasimba kunogona kuda maturusi ekugadzirisa magirazi)

4) Nzira dzekubatanidza: Maitiro eStiffeners Bond kuFlex Circuits

Nzira yekubatanidza inokanganisa zvakananga kuvimbika, kugona kushanda patsva, uye kugona kugadzira zvinhu. Nzira nhatu huru dzinoshandiswa mukugadzira:

4.1 Chinonamira Chinodzvanywa Nekumanikidzwa (PSA)

PSA (kazhinji 3M 966x series kana tepi inonamira ye acrylic yakafanana) inoiswa pachinhu chinosimbisa, icho chinozodzvanywa pa flex circuit patembiricha yemumba kana nekupisa kushoma.

  • Bond simba: 0.8–1.5 N/mm (ganda)
  • Kutsigira hurefu: -40°C kusvika +120°C (PSA ye acrylic yakajairwa); kusvika +150°C yemhando yepamusoro yekupisa
  • Ukobvu hwe namira: 0.05–0.10 mm (inowedzera kukwirira kwese kwechivakwa)

Zvakanakira: Inoshandiswa nekukurumidza, haidi kugadziriswa, inogona kugadziriswazve. Yakakodzera kugadzirwa kwema prototyping uye kugadzirwa kwehuwandu huri pakati nepakati.

Zvipingamupinyi: Simba rakaderera remabvi pane zvinonamira zve thermosetting, hazvikodzeri kushandiswa zvinoda kuti mvura irambe ichinaya isina mutobvu (PSA inonyorova pamusoro pe ~180°C). Kana chinhu chinosimbisa chikapfuura nepaovheni inoyererazve, PSA haikurudzirwi.

4.2 Chinonamira cheThermosetting (Epoxy kana Acrylic)

Zvinonamira zvethermosetting zvinoiswa pachinonamira uye zvinogadziriswa kana zvapiswa uye zvaoma (zvinowanzo shandiswa pa150–180°C kwemaminitsi 30–60 muchidhindo chelamination).

  • Bond simba: 1.5–3.0 N/mm (ganda)
  • Kutsigira hurefu: –55°C kusvika +260°C (inorarama isina mutobvu)
  • Ukobvu hwe namira: 0.025-0.075 mm

Zvakanakira: Simba rayo guru rekubatanidza, kuramba kupisa kwakanyanya, uye inorarama nekufamba-famba kakawanda. Iyi ndiyo nzira yakajairika yekugadzira macircuit anochinjika ayo achasangana neSMT.

Zvipingamupinyi: Inoda michina yekusunga, inotora nguva yakareba, haigone kugadziriswa zvakare kana yapera.

4.3 Thermoset Pre-preg Bonding (Panguva yeLamination)

Pamagadzirirwo akaomarara, matiffener anogona kubatanidzwa panguva yekusunga bhodhi uchishandisa mapepa e prepreg kana bondply. Nzira iyi inobatanidza stiffener panguva imwe chete ne rigid-flex layup, zvichibvisa danho rakasiyana rekubatanidza stiffener.

Zvakanakira: Chisungo chakavimbika kupfuura zvese, chinonamira chakatetepa kupfuura zvese, hapana imwe nhanho yekuwedzera.

Zvirambidzo: Zvinongoshanda chete kune stiffeners dziri chikamu che stackup yekutanga yakagadzika. Hazvigone kushandiswa kune stiffeners dzakawedzerwa mushure mekusunga.

4.4 Sarudzo yeNzira yekubatanidza

nzira Kuraramazve Kwemvura Bond Simba Reworkability Chaizvoizvo Kushandisa
Psa Kwete (inonyorovesa >180°C) eresera nyore Zvisimbiso zvepashure pekuungana, prototyping
Namira yekuisa thermosetting Hongu (kusvika 260°C+) High Zvakaoma Kugadzirwa kweSMT gungano
Prepreg (lamination) Ehe Highest Hazviite Midziyo yakasimba-inochinjika yakabatanidzwa

5) Mitemo Yekugadzira: Kuiswa, Kushivirira, uye Zvikanganiso Zvakajairika

5.1 Mitemo Yekuisa

  • Nzvimbo dzekubatanidza: Chinosimbisa chinofanira kupfuudza kanenge 1.0 mm kupfuura nzvimbo inopinzwa chinobatanidza kumativi ese. Kune vanobatanidza ZIF, pfuudza ka1.5 mm kupfuura kudzika kwekuisa chinobatanidza kudzivirira kutenderera kwekutenderera panguva yekusangana.
  • Nzvimbo dzezvikamu zveSMT: Muganhu wekusimba unofanira kupfumbira kanenge 0.5 mm kupfuura padhi rekunze rekusonesa rechinhu chipi zvacho chakaiswa munzvimbo yakaoma. Usaise mipendero yekusimba pasi pemiviri yezvikamu - kukwirira kwedanho kunokonzera matambudziko ekubatana panguva yekudzoreredza.
  • Kubviswa kwenzvimbo yakakombama: Chengetedza mukaha we1.5 mm (zviri nani 2.0 mm) pakati pemucheto wekuoma uye kutanga kwenzvimbo inokombama ine simba. Mukaha uyu unobvumira flex circuit kuchinja zvishoma nezvishoma kubva pakuva yakasimba kuenda pakuchinjika, zvichidzivirira kushushikana kwakanyanya.
  • Kusiyanisa pakati pe "stiffener" ne "stiffener": Kana zvimiti zvakawanda zvichishandiswa kudivi rimwe chete re flex circuit, chengetedzai kanenge 2.0 mm pakati pemipendero yezvimiti kuti namati ishandiswe zvakanaka pasina kupindirana.

5.2 Zvikanganiso Zvakajairika Pakugadzira Stiffener

  • Kusakwana kwenzvimbo dzakakombama: Kuisa mupendero wesimbi yakasimba pedyo ne radius yakakombama kunoita kuti simba resimbi riwedzere kushushikana rinokonzera kuneta kwe flex cracking mukati memazana ema cycles. Uku ndiko kukundikana kwe field kunowanzoitika nekuda kwe stiffener.
  • Nzira isiriyo yekubatanidza pakugadzira: Kushandisa PSA pachinhu chinosimbisa chinopfuura nepakusonesa zvakare — PSA inopfava, chinhu chinosimbisa chinoshanduka, uye bhodhi rinova risingaenzaniswi panguva yekuiswa kwechikamu.
  • Chinogomara zvakanyanya kuti chisakwane mudzimba: Kutadza kufunga nezvekukora kwenamira (0.025–0.10 mm) uye kukwirira kwechikamu kana uchitaura ukobvu hwekusimbisa, zvichikonzera kukanganiswa kwenzvimbo yakavharirwa.
  • Kusiya zvinhu zvinosimbisa kubva pakugadzira package: Magadzirirwo akaomarara, zvinhu, ukobvu, uye nzira yekubatanidza nayo zvinofanirwa kunyorwa mumufananidzo wekugadzira. Kana zvikangotaurwa chete muemail kana mirairo yemuromo, pakupedzisira zvichavakwa zvisiri izvo.

6) Maitiro Ekusimbisa Mashandisirwo Azvo

6.1 Zvishandiso zvemagetsi zvevatengi (Mafoni, Zvinopfekwa)

Kureba kwese kwekuvaka ndicho chirambidzo chikuru. Shandisa zvinhu zvinosimbisa simbi isingatsvi (0.1–0.2 mm) kuti zviome zvakanyanya uye zvine ukobvu hushoma. Kubatanidzwa kwePSA kunogamuchirwa kana chinhu chinosimbisa chikashandiswa mushure mekudzoreredzwa kwemvura. Kune ZIF connector zones, thermosetting adhesive ine 0.15 mm stainless steel ndiyo nzira yakajairika mukugadzira mafoni ane ruzha rwakawanda.

6.2 Zvemagetsi zveMotokari

Kuvimbika pasi pekupisa (–40°C kusvika +125°C, zviuru zvemasekonzi) ndicho chinhu chinonyanya kukosha. Sarudza FR4 kana polyimide stiffeners ine thermosetting adhesive kuti ienderane neCTE. Kuiswa kweStiffener kunofanirwa kuverengerwa mitoro yekudedera — wedzera rutsigiro pasi pezvinobatanidza zvinorema uye shandisa dual-layer stiffening kune high-vibration zones. Zvese zvinodiwa zve stiffener zvinofanirwa kutevedzera mwero wekuvimbika kwePCB yemotokari.

6.3 Zvigadzirwa Zvekurapa

Kuenderana kwemuviri, kutevedza, uye kuvimbika ndizvo zvinonyanya kukosha. FR4 kana polyimide stiffeners ndizvo zvakajairika. Simbi isina ngura inogamuchirwa kana ichidikanwa kuti irambe yakasimba, chero bedzi yakatsanangurwa seyemhando yekurapa (316L inosarudzwa). Chinhu chega chega che stiffener chinofanira kunge chine magwaro enzvimbo inoteverwa. Flex circuit assembly inofanira kupasa mitemo yeIPC-A-610 Class 3 workning standards.

6.4 Maindasitiri neNdege

Nzvimbo idzi dzinoda kuramba kudzungunyika, kuvhunduka, hunyoro, uye kusangana nemakemikari. Zvisimbi zvinosimbisa simbi zvisina ngura zvinopa rutsigiro rwakasimba rwemakanika. Shandisa thermosetting adhesive ine chiyero che 200°C pakushandiswa kwemaindasitiri mukupisa kwakanyanya. Pamhepo, iva nechokwadi chekuti zvinhu zvese zvinosimbisa glue ne stiffener zvine data rekunze kwegasi zvichienderana neASTM E595 (TML <1.0%, CVCM <0.1%).


7) Maitiro Ekugadzira: Maitiro Ekubatanidza Zvinhu Zvinoomesa Panguva Yekugadzira

7.1 Kutevedzana Kwemaitiro

Mukushanda kwePCB kwakajairika , zvinhu zvinosimbisa zvinosanganiswa padanho rinotevera:

  1. Kugadzirwa kweFlex circuit kwapera (kuumba mapatani emhangura, kufukidza lamination, kupedzisa pamusoro)
  2. Kuedzwa kwemagetsi (kuenderera mberi, kupatsanurwa) — kunoitwa usati wabatanidza chinhu chinosimbisa kuti usayedze kuburikidza nezvinhu zvinosimbisa.
  3. Kugadzirira kwekusimbisa: Cheka kuita mutsetse (CNC routing yeFR4/PI; etching, laser, kana stamping yesimbi), chenesa, isa firimu rinonamira
  4. Kurongeka kweStiffener uye nzvimbo: Kurongeka kwemaziso kune zvinhu zvedunhu uchishandisa maburi ekushandisa kana mafiducials, wozoisa nemidziyo inoshanda otomatiki kana jig yemaoko
  5. Kusungwa: PSA — kushandisa kumanikidzwa uchishandisa roller kana press. Thermosetting — lamination press pa 150–180°C, 15–30 kg/cm², maminetsi 30–60
  6. Kuongorora mushure mebond: Simbisai kuti stiffener yakamira zvakanaka here (± 0.15 mm), tarisai kana namatidza yabviswa, simbisa kuti stiffener yacho yakamira zvakanaka.
  7. Enderera ku Pcb gungano (SMT, kuyererazve, AOI)

7.2 Kudzora Hunhu Munguva Yekubatanidzwa kweStiffener

  • Kurongeka kwekuisa: Yakayerwa nemaziso zvichienderana nemaitiro edunhu; kuiswa kwekunze kwekusashivirira kunokanganisa kurongeka kweconnector uye coplanarity yezvikamu
  • Kufukidza kunama: Hapana maburi akakura kupfuura 1.0 mm mudhayamita mukati menzvimbo yebond (maburi anoderedza simba rebond uye anobvumira hunyoro kupinda)
  • Kusimba kwakasimba: Kureba kwakanyanya kwe 0.1 mm pahupamhi hwe 25 mm (hunoyerwa mushure mekusungana); kuomarara kwakakombama kunokonzera kutadza kushanda kweSMT coplanarity
  • Bond simba: Simbisa zvichienderana neIPC-TM-650, Nzira 2.4.9 (bvudzi rebvudzi); kugamuchirwa kushoma pane chimwe chinhu uye rudzi rwechinamira

8) Kutsanangura Zvinoomesa MuPakeji Yako Yekugadzira

8.1 Zvinyorwa Zvinodiwa

Pakutumira mafaira ePCB anochinjika kana kuti akachinjika kumugadziri wako, sanganisira zvirevo zve stiffener mudhirowa yekugadzira (PDF) uye seti yedata reGerber. Zvikuru sei:

  • ☐ Mutsetse weStiffener sechikamu chakatsaurirwa cheGerber (kana kuti chakanyatsojeka pamufananidzo wekugadzira)
  • ☐ Zvinhu uye ukobvu hwechinhu chimwe nechimwe chinosimbisa (semuenzaniso, “FR4, 0.8 mm” kana “SUS 304, 0.2 mm”)
  • ☐ Rutivi rwekuisa (kumusoro, pasi, kana zvese)
  • ☐ Nzira yekubatanidza (PSA, thermosetting namira, kana yakabatanidzwa panguva yekunamirwa)
  • ☐ Kushivirira kwenzvimbo maererano nemaitiro edunhu
  • ☐ Chero zvinodiwa pakushanda (kufambiswa kwemhepo nekupisa, kugadzika kwemagetsi, kudzivirira kweEMI)

8.2 Rondedzero yeZvinhu Zvakagadzirwa neStiffener

Shandisa runyorwa urwu rwekutarisa usati waendesa dhizaini yako:

  • ☐ Zvinhu zvinosimbisa zvakasarudzwa zvichienderana nezvinodiwa pakushandisa (kwete kungoshandisa FR4 chete)
  • ☐ Ukobvu hwacho hwakaverengerwa kusanganisira jira rinonamira uye hwakasimbiswa zvichienderana nekubviswa kwenzvimbo
  • ☐ Mipendero yakaoma inochengetedza nzvimbo iri pakati penzvimbo dzakakombama ne ≥1.5 mm
  • ☐ Stiffener inotambanuka ≥1.0 mm kupfuura tsoka dzechinobatanidza
  • ☐ Nzira yekubatanidza inoenderana nemaitiro ekubatanidza ari pasi (PSA vs. thermosetting)
  • ☐ Mutsetse weStiffener wakabatanidzwa mumufananidzo weGerber/wekugadzira
  • ☐ Kureba kwechivakwa kwakasimbiswa: ukobvu hwe flex + namira + kusimbisa + kureba kwechikamu ≤ nzvimbo yeimba

Tora Mutengo weProjekiti Yako yeFlex PCB

KuHighleap Electronics , tinogadzira maPCB anochinjika uye anochinjika ane masevhisi ekusimbisa akabatanidzwa — anosanganisira FR4, polyimide, simbi isingatsvedzeri, uye aluminium stiffeners akabatanidzwa nePSA kana thermosetting adhesive. Chikwata chedu cheinjiniya chinoongorora zvese zvinodiwa zvekusimbisa panguva yeDFM kuti chive nechokwadi chekuti kusarudzwa kwezvinhu, ukobvu, kuiswa, uye nzira yekubatanidza zvakagadziridzwa kuti zvienderane nemaitiro ako ekugadzira uye nzvimbo yekushandisa yekupedzisira. Tinotsigira prototype kuburikidza nekugadzira huwandu nehunyanzvi hwekugadzira PCB inochinjika kusvika ku20+ layers. Tibatei nemafaira enyu ekugadzira kuti muwane mutengo wakadzama uye ongororo yeinjiniya.

Tora PCB&PCBA Kotesheni nekukasira
Gwaro reFPC PCB reMadunhu Akadhindwa Anochinjika

Gwaro reFPC PCB reMadunhu Akadhindwa Anochinjika

Gwaro rekugadzira reFPC PCB rinoshanda rinofukidza nzvimbo dzakakombama, mhangura, zvinosimbisa, zvinofukidza, zvinounganidza, zvinosanganisa, uye zvinogoneka kugadzirwa kwemasekete akadhindwa anochinjika.

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Ziva kuti hunyanzvi hwedu hungabatsira sei nePCBA chirongwa.