HDI PCB CAM Workflow | Tsanangura SMD, Vias, uye Drill Mitemo

Kugadzirwa kweHDI PCB CAM ndeimwe yenzvimbo dzinonyanya kuomera mukugadzirwa kwePCB . Nekuwedzera kwekubatanidzwa kweIC uye zvinodiwa zvekuunganidza vanhu vakawanda, mabhodhi ekufambisa eHDI anowanzo kuve nematanho akaomarara, nzira dzakasimba, uye nzira dzakasimba dzekuronga.

Aya matambudziko anoita kuti CAM igadzirise nguva-inopedza uye kukanganisa-kunyanya pasi pekumanikidzwa kwemhando yepamusoro uye nekukurumidza kuburitsa. Kubva pane chaiyo-yepasirese ruzivo rwekugadzira, chinyorwa ichi chinogovera ruzivo runoshanda mukubata maSMD, mapofu vias, solder mask, uye chimiro kugadzirisa muHDI PCB CAM workflows.

Kutsanangura SMD Pads muHDI PCB CAM Workflows

Mukugadzirisa HDI PCB CAM, tsananguro chaiyo yeSMD (Surface Mount Device) ndiyo danho rekutanga rakakosha. Panguva yekugadzira PCB, maitiro akadai sekutumira mifananidzo uye kuchekerera anogona kuchinja maficha emhangura ekupedzisira. Kuti ive nechokwadi chekuti zvinodiwa nevatengi zvinotevedzwa, mainjiniya eCAM anofanira kushandisa kugadziriswa kwemari kune zvese zvisaririra uye maSMD ega. Kukundikana kutsanangura maSMD pads nemazvo kunogona kukonzera mapedhi asina kukura kana kuti asipo, izvo zvinokanganisa zvakananga kugona kusungirirwa uye kuvimbika kwekubatanidza.

Kubata CSP Mapedhi uye Mapofu Vias muHDI Mobile Boards

Madhizaini mazhinji eHDI mobile board anosanganisira 0.5mm Chip Scale Packages (CSPs) ane madhayamita epadhi madiki se0.3mm. Mune zvimwe zviitiko, aya CSP mapedhi anopindirana nebofu kuburikidza nemapadhi, ese achiyera chaizvo 0.3mm, izvo zvinogona kutungamira mukusarongeka kana kubatanidza padhi kana isina kubatwa nemazvo muCAM.

Uchishandisa Genesis2000, unogona kudzivirira nyaya idzi nematanho anotevera:

Nhanho-ne-Nhanho SMD Tsanangudzo muGenesis2000

1. Vhara ese madhiri akaturikidzana ane hukama nemapofu uye akavigwa vias.
2. Tsanangura maSMD zvichienderana nezvinodiwa nevatengi dhizaini.
3. Shandisa FeaturesFilterpopup uye Referenceselectionpopup mabasa ekutsvaga mapedhi ane hukama neCSP kubva kumusoro nepasi, uye oaendesa kune zvidimbu zvenguva pfupi (t rukoko pamusoro, b layer kuzasi).
4. Mu t rukoko, bvisa ese 0.3mm mapedhi anopindirana nemabofu vias uye bvisa redundant CSP mapedhi kubva kune yekutanga yepamusoro layer.
5. Vakazve mapedhi eCSP nemaoko zvichienderana neakatsanangurwa pad saizi, nzvimbo, uye kuverenga, wozoatsanangura seSMDs. Kopa mapedhi akagadziridzwa kumashure kune TOP layer uye wedzera zvinoenderana nemapadhi kana zvichidikanwa.
6. Dzokorora maitiro akafanana kune b layer.
7. Chekupedzisira, tarisa mafaera eGerber kuti uone chero maSMD asipo kana kudhindwa.

Mabhenefiti eiyi Optimized CAM Maitiro

Zvichienzaniswa nemaitiro eCAM echinyakare, iyi yakanangwa HDI PCB CAM nzira inopa:

• Kufamba kwakajeka kwekutsanangura maSMD mune dense HDI dhizaini
• Matanho ekugadzirisa mashoma, kuderedza nguva uye kukanganisa kwemanyore
• Zvirinani kuenderana nemapofu kuburikidza ne + CSP pad inopindirana mamiriro
• Kuvandudzwa kwechokwadi uye yekutanga-pasi goho

Kubvisa Asingashandi Mapedhi muHDI PCB CAM

Kumwe kushanda kwakakosha muHDI PCB CAM workflows ndiko kubviswa kweasina-functional pads (NFPs)-mapedhi asina kubatanidzwa kune chero mambure pane mamwe maseru. Aya mapadhi anogona kukanganisa kutendeseka kwechiratidzo, kuwedzera kuomarara, uye kuunza matambudziko ekugadzira, kunyanya mune yakakwirira-density HDI nharembozha dhizaini.

Uchishandisa semuenzaniso we8-layer HDI PCB , maitiro eCAM anosanganisira matanho maviri makuru ekubvisa NFP:

Nhanho-neNhanho NFP Kubviswa muCAM

1. Bvisa mapedhi egomba asina-metalized kumusoro uye pasi pasi uchishandisa iyo NFPRemovel basa.
2. Bvisa kuburikidza-ane hukama NFPs:
   • Vhara ese madhiri akaturikidzana kunze kwe vias
   • Set Removeundrilledpads in NFPRemovel kuNO
   • Bvisa mapedhi asingashande kubva muzvikamu 2 kusvika ku7
3. Bvisa kuvigwa kuburikidza neNFPs:
   • Vhara ese madhiri akaturikidzana kunze kwekuvigwa vias
   • Zvakare, set Removeundrilledpads kuNO
   • Bvisa mapedhi asingashande kubva muzvikamu 3 kusvika ku6

Maitiro aya anovimbisa akachena emukati akaturikidzana uye anobatsira kuderedza zvisingakoshi zvemhangura maficha, ayo anogona kuvandudza etching kufanana uye kuderedza njodzi dzekugadzira.

Sei Iyi NFP Kubvisa Nzira Inoshanda HDI CAM

Iyi nzira inonyanya kukodzera kuCAM mainjiniya anobata multilayer HDI PCB magadzirirwo nekuti:

• Inoshandisa yakajeka layer-yakavakirwa mafambiro, nyore kudzidza uye kuita
• Inoenderana neGenesis2000 CAM software
• Inoderedza mukati memhangura clutter, iyo yakakosha kune yakanaka-mutsara etching uye laser kuburikidza nekugadzirisa

Kune vashandisi veCAM-kunyanya avo vatsva kuHDI stack-up processing-iyi nhanho-nhanho nzira inopa nzira iri nyore uye inoshanda yekusashanda padhi kubvisa.

Laser Drilling muHDI PCB CAM Processing

Laser drilling inhanho yakakosha muHDI PCB CAM, kunyanya yekugadzira yakakwira-density bofu vias kazhinji yakatenderedza 0.1mm mudhayamita. Mukuita kwedu kugadzira, tinoshandisa CO₂ laser tekinoroji, iyo inoshanda pakuchera kuburikidza neyakagadzika zvinhu zvakaita seRCC kana PI, asi kwete foil yemhangura nekuda kwekunyungudika kwemhangura uye kuderera kwe infrared.

Kushandisa Conformal Mask yeCO₂ Laser Processing

Sezvo CO₂ lasers isingakwanise kupisa kuburikidza nemhangura, inogadziriswa mask process inoiswa muCAM. Izvi zvinosanganisira kuseta foil yemhangura pane-laser-yakadhiriwa kuburikidza nenzvimbo kuitira kuti laser iwane dielectric layer zvakananga. Kuti utsigire maitiro aya, mainjiniya eCAM anofanirwa kuburitsa firimu rekuratidzira rinobva pazvinzvimbo panguva yekugadzirira data.

CAM Drill Inotarisa kuti ive nechokwadi chekugadzira Mitemo

Kuchengetedza kuvimbika kwechimiro uye kuve nechokwadi chekuti foil yemhangura inoramba iri pazasi pezvikamu zvekunze, nzvimbo shoma pakati pemapofu nemazai akavigwa anofanira kunge ari 4 mils. MunaGenesis2000, mainjiniya eCAM anogona kuita uku kusimbiswa vachishandisa nzira inotevera:

Ongororo → Kugadzirwa → Bhodhi-Drill-Macheki

Izvi zvinobatsira kuona uye mureza kutyorwa kuburikidza nekupatsanura, izvo zvinogona kutungamira mukuchera kana kusakodzera kuburikidza nekugadzira panguva yekugadzira.

Kubatanidza laser drilling muHDI PCB CAM workflows kunoda zvese ruzivo rwezvinhu uye software kusimbiswa. Kushandisa CO₂ laser pamwe chete neyakagadziriswa masking uye nekuchenjerera CAM mutemo wekutarisa inova nechokwadi kuburikidza nemazvo uye nekuita kuvimbika mumabhodhi emafoni eHDI.

Kuvhara Makomba uye Solder Mask Kubata muHDI PCB CAM

MuHDI PCB CAM kufambiswa kwebasa, iwo ekunze akaturikidzana anowanzo shandisa RCC (Resin Coated Copper) zvinhu, zvine matete dielectric layer uye yakaderera resin zvirimo. Zvinoenderana nedata rekuyedza, kana iyo yakapedzwa bhodhi ukobvu inodarika 0.8mm, uye metallized slot dimensions iri ≥ 0.8mm × 2.0mm kana iyo metallized gomba dhayamita iri ≥ 1.2mm, maviri seti eplug hole mafaera anofanira kugadzirirwa. Izvi zvinoreva kuti maburi anoda kaviri plugging:

• Iwo emukati akaturikidzana anoshandisa resin scraping uye plugging.
• Iwo ekunze akaturikidzwa akabatanidzwa zvakananga ne solder mask inki pamberi pe solder mask application.

Matambudziko eVias Pedyo SMD Pads Panguva Solder Mask Maitiro

Mune solder mask yekugadzira maitiro, vias iri padyo kana padyo neSMD pads inoisa njodzi yekudonha inki panguva yekuratidzwa kwemasiki. Sezvo vatengi vachiwanzoda kuti vias zvese zvivharirwe, mainjiniya eCAM anofanirwa kubata nekuisa uye solder mask kuvhurika kudzivirira kukanganisa kwemasiki.

CAM Solutions yeVia uye Solder Mask Interaction

Iyo yakajairika nzira yeCAM ndeye:

• Famba vias kure neSMD pads kana zvichibvira kudzivirira kupindirana.
• Kana vias isingakwanise kutamiswa, shandisa imwe yeinotevera solder mask kugadzirisa:
  • Kune vias yakafukidzwa nesolder mask, wedzera madotsi akajeka pane solder mask layer, saizi 3 ms idiki pane gomba rakapedzwa kune rimwe divi.
  • Nekuda kwekubata iyo solder mask yekuvhura, wedzera madotsi akajeka ari mamirimita matatu akakura pane gomba rakapera kune rimwe divi. (Izvi zvinoshandiswa kana vatengi vachibvumira diki solder mask inki yekuvhara padhi.)

Kubata kwakaringana maburi eplugging uye solder mask layers muHDI PCB CAM process kwakakosha kuti uve nechokwadi chekugadzira mhando uye solder joint kuvimbika, kunyanya kune yakakwirira-density dhizaini ine yakasimba SMD uye kuburikidza nekuiswa.

Shape Processing muHDI PCB CAM Panel Dhizaini

Mukugadzirwa kweHDI PCB CAM, mabhodhi anowanzo endeswa mumafomu akagadziriswa ane magadzirirwo akaomarara uye asina kurongeka. Vatengi vanowanzo gadzira dhizaini yeCAD (kazhinji mufomati ye.DWG ) inosanganisira dhizaini yemapaneru, maburi ezvitambi, maburi ekuisa, uye nzvimbo dzekurongedza magirazi.

Inoshanda Shape Kupinza kuburikidza neDXF muGenesis2000

Panzvimbo pekudhirowa nemaoko ratidziro yepaneru muGenesis2000, iyo inotora nguva uye kukanganisa, mainjiniya eCAM anogona kurerutsa maitiro nekushandura faira reCAD mutengi:

1. Vhura iyo .DWG ikwidzwe.
2. Shandisa "Save As" basa uye shandura rudzi rwefaira kuti: AutoCAD R14/LT98/LT97 DXF (*.DXF)
3. Muna Genesis2000, pinza iyo .DXF faira senge Gerber faira.

Iyi nzira inobvumira mainjiniya eCAM kuunza nemazvo uye nemazvo:

Mabhenefiti eHDI Panel Production

Iyi DXF yekupinza nzira haingonatsiridza kumhanya asiwo inoderedza njodzi yekukanganisa kwedimensional-kunyanya kukosha mune yakakwirira-chaiyo HDI PCB mapaneru. Iyo inovimbisa kurongeka kwakaringana kune kunotevera kuchera, nzira, uye magungano maitiro.

Kugadzira Muganho weOuline muHDI PCB CAM

MuHDI PCB CAM kugadzirisa, kugaya muganho idanho rakakosha. Kunze kwekunge mutengi anyatsokumbira mhangura yakafumurwa, maitiro ekugadzira akajairwa anoda foil yemhangura kuti idhonzwe kumashure zvishoma kubva kumucheto kwebhodhi. Izvi zvinodzivirira copper delamination kana kubhururuka panguva yekugaya.

Njodzi Yemasekete Akavhurika Nekuda Kwekumanikana Mhangura Inopera

Nekudaro, kudhonzera kumashure mhangura kunogona kugadzira mitsetse yakatetepa padyo nemupendero. Semuenzaniso, kana magumo maviri emhangura (A) ari pedyo nemuganhu uye:

• Usave weimwe mambure emagetsi
• Ari pasi pe 3 ms yakafara

Zvadaro chimiro chinoguma chinogona kunge chisingagadzirike uye chinogona kutungamira kudunhu rakavhurika. Aya marudzi enyaya haaonekwe mune yakajairwa Genesis2000 yekuongorora mishumo.

CAM Solution: Sekondari Net Kuenzanisa ne Modified Edge Pullback

Kuti uone uye kugadzirisa nyaya iyi, kuenzanisa kwechipiri kunodiwa:

1. Bvisa nemaoko imwe 3 mils yemhangura mukati kubva pamupendero webhodhi.
2. Dzokorora kuenzanisa kwetiweki munaGenesis2000.
3. Dudzira mhinduro:
   • Kana pasina dunhu rakavhurika rinowanikwa: iwo maviri magumo emhangura angave ari emambure akafanana, kana hupamhi mushure mekucheka ≥ 3 mils, inogadzirwa.
   • Kana dunhu rakavhurika rikaitika: upamhi hwemhangura hwakanyanya kutetepa kana mambure ari ega-kudzamisa foil yemhangura kuti uve nechokwadi chekubatanidza uye kugadzirwa kwakavimbika.

Iyi nzira inopa nzira inoshanda yekudzivirira isingaonekwi nyaya dzeCAM panguva yekugaya muHDI PCBs, kuwedzera goho uye kuve nechokwadi chekutevedzwa kwemaitiro ekugadzira.

mhedziso

Kudiwa kwemaIC ane hunyanzvi hwepamusoro uye tekinoroji yekubatanidza michina ine hunyanzvi hwepamusoro kwakaita kuti mabhodhi eHDI aenderere mberi muindasitiri yekugadzira maPCB. Zvisinei, magadzirirwo awo akaomarara uye waya dzakasimba zvinopa matambudziko makuru panguva yekugadzira CAM, zvichikonzera kunonoka uye kusarongeka. Kuti vave nechokwadi chekuti zvigadzirwa zvavo zvakanaka uye zvinotumirwa nenguva, mainjiniya eCAM vakagadzira nzwisiso inokosha kuburikidza nekudzidzira nguva dzose uye kugadzirisa.

Nzvimbo dzakakosha dzekutarisa dzinosanganisira tsananguro yeSMD, yakagadziridzwa isiri-inoshanda padhi kubviswa, chaiyo laser yekuchera matekiniki, kubata nemazvo maburi eplug uye solder masks, yakagadziridzwa kugadzirwa kwechimiro, uye nehungwaru kugaya muganho. Nekugadzirisa zvine hungwaru matambudziko aya uye nekushandisa epamberi CAM nzira, nyanzvi dzinogona kuwana hunyanzvi uye kunyatsoita muHDI board kugadzira. Mhedzisiro yacho kuendeswa kwemhando yepamusoro-soro yePCB inosangana nezvinoda kuitika zvemusika.