HDI PCB Technology: Inogonesa Yepamberi Semiconductor Packaging Solutions

Nhanganyaya: The Evolution Toward Higher Density Interconnects

Yemazuva ano semiconductor kurongedza inoda kuwedzera yakaomesesa yekubatanidza mhinduro. Sezvo chip geometries ichiderera uye I/O kuverenga kusimuka, echinyakare akadhindwa edunhu mabhodhi haakwanise kutsigira zvakaringana epamberi ekurongedza zvivakwa senge system-in-package (SiP), chip-scale mapakeji (CSP), uye fan-out wafer-level packaging (FOWLP).

HDI PCB tekinoroji inogadzirisa gaka iri nekuunza upamhi hwemutsara, diki kuburikidza nezvimiro, uye yakakwirira nzira density inofananidzwa nemapakeji substrates. Ichi chinyorwa chinoongorora maitiro eHDI uye Substrate-Senge PCB (SLP) tekinoroji bhiriji rakajairwa PCB kugadzira uye IC substrate yekugadzira, kunyanya yekutakura vatakuri, kugoverazve maseru, uye chip-level yekubatanidza.

Kutsanangura HDI PCB, SLP, uye IC Substrate Technologies

Yakakwirira-Density Interconnect PCB Dzidziso

HDI PCB inoshandisa ma microvia anoumbwa kuburikidza nekuboorera ne laser, sequential build-up layers, blind and built vias, uye via-in-pad configurations. Mabhodhi aya anowanzova nehupamhi hwemitsara uye nzvimbo dzakasiyana-siyana dzinotangira pa75/75 μm kusvika pa40/40 μm, ne microvia dhayamita iri pakati pe100-150 μm. Maitiro ekuvaka anowedzera matete e dielectric ne copper sequentially, zvichiita kuti routing ive yakaoma mu compact form factors inokosha kumafoni uye maapplication e high-performance computing.

Substrate-Senge PCB: Kusunga Nyika mbiri

PCB yakaita seSubstrate inotora nzvimbo yekugadzira pakati peHDI yepamusoro uye substrates dzechokwadi dzeIC package. SLP inochengetedza maitiro ekugadzira PCB padanho repaneru uku ichizadzisa geometries yemutsetse/nzvimbo inosvika 20/35 μm kuburikidza nemaitiro ekuwedzera (SAP). Iyi nzira inopa huwandu hwesubstrate pamutengo wakaderera pane substrates dzechinyakare dzeIC, zvichiita kuti ive inokwezva kune maapplication anoda huwandu hwakawanda hwekubatanidza pasina mari yakazara yesubstrate.

Kuenzanisa Positioning yeHDI PCB Technologies

Kumisikidzwa pakati peaya matekinoroji kunoratidza akasiyana ekugadzira ekugadzira uye mutengo zvimiro:

• HDI pcb -Inokodzera 50-100 μm maficha uchishandisa yakajairwa PCB zvinhu uye maitiro
• Substrate-Kufanana nePCB -Inowana 20-35 μm geometries kuburikidza neyakagadziridzwa SAP kugadzirisa pane panel zvishandiso
• IC Package Substrates - Inoendesa sub-20 μm maficha ane hunyanzvi hweBT / ABF zvinhu asi inoda yakakosha mari yekudyara

SLP inopa mhinduro yepakati, inokwenenzvera yakagadziridzwa PCB zvishandiso kuti isvike substrate kuita uku uchichengetedza PCB economics kuburikidza nepaneru kugadzirisa.

HDI PCB Mamiriro uye Maitiro Technologies

Vaka-Up Architecture Variants

Zvimiro zvemazuva ano zveHDI PCB zvinoshandisa magadzirirwo akasiyana-siyana zvichienderana nezvinodiwa nehuremu. Ma microvia akarongwa anogadzira ma vertical interconnects kuburikidza ne multiple build-up layers, zvichideredza daro re routing remasignals ane kumhanya kukuru. Magadzirirwo ema microvia akarongwa anogovera kushushikana kwemuchina uye anovandudza kuvimbika pasi pe thermal cycling, nepo ma vias akavigwa mukati me core layer achigonesa processing topology dzakaoma.

Laser Microvia Kuumbwa muHDI PCB

Laser drilling uchishandisa CO₂ kana UV lasers inogadzira inodzorwa-yakadzika mamicrovias ane madhayamita madiki se75-100 μm. Maitiro acho anobvisa dielectric zvinhu kuti afumure ari pasi pemhangura pads, ayo anobva asvibiswa uye akaiswa simbi kuburikidza ne electroless copper deposition inoteverwa nepeteni plating. Laser paramita zvinosanganisira pulse simba, frequency, uye kutarisisa kunofanirwa kudzorwa chaiko kudzivirira substrate kukuvara uku uchiona kuchena kuburikidza nekuumbwa.

Semi-Additive uye Fully-Additive Maitiro

Semi-yekuwedzera maitiro anogonesa ekupedzisira-yakanaka mutsara kuumbwa mune SLP maapplication nekuisa yakaonda mhodzi yemhangura, kushandisa photoresist, uye plating conductor mapatani usati wabvisa yakawandisa mhangura yemhangura. Iyi nzira inowana 20-30 μm mutsara wakafara zvichienzaniswa ne75-100 μm yakajairika yekubvisa etching. Yakagadziridzwa SAP (mSAP) maitiro anowedzera kunatsiridza kugona uku, achiswededza substrate-level geometries uku ichichengetedza kuenderana neyakajairwa PCB zvinhu.

Material Systems eAdvanced HDI Zvishandiso

High-performance HDI PCB application inoda zvinhu zvine controlled coefficient of thermal expansion (CTE), low dielectric constant, uye high glass transition tembiricha (Tg). Yakagadziridzwa FR-4 maumbirwo ane Tg pamusoro pe170 ° C inopa kushanda kwakakwana kune zvemagetsi zvevatengi, nepo polyimide mafirimu achipa kugadzikana kwepamusoro kwekupisa kwezvivakwa zvakaomarara-flex. BT uye ABF zvinhu zvinogonesa SLP dhizaini kuti iwane zvinopisa uye zvemagetsi zvivakwa zvinosvika pasuru pasuru.

HDI PCB Dhizaini Mafungidziro eKugadzira Kubudirira

Geometric Specifications uye Electrical Performance

Mitemo yekugadzira yeHDI PCB inofanirwa kutsanangura upamhi hwemitsara nenzvimbo zvinogoneka zvichienzaniswa nehuremu hwemhangura uye kugona kwayo kugadzira zvinhu. Magadzirirwo anotarisa 40/40 μm geometries anoda hafu yeounce mhangura ine zvidzoro zvakasimba zvekutema, nepo magadzirirwo eSLP ari kusvika 25/25 μm achida kugadziriswa kweSAP.

Impedance control inowedzera kunetsa sezvo trace dimensions inodzikira, ichida chaiyo dielectric ukobvu kutonga uye copper profile management. Yakasiyana nzira mbiri dzinofanirwa kuverengera kusimba kwekubatanidza uye kuwedzera kukonzeresa kune yakatarisana layer crosstalk sezvo density yenzira inowedzera.

Thermal uye Mechanical Kuvimbika

Kugovera mhangura kunokanganisa zvakanyanya bhodhi warpage mune HDI zvimiro nekuda kweCTE kusawirirana pakati pezvinhu. Mazano ekugadzira ekuona kuvimbika anosanganisira:

• Symmetrical copper balancing - Inogovera huremu hwemhangura mukati mebhodhi centreline kuderedza warpage
• Yakaderedzwa nemapateni -Inoderedza kushushikana kwekusimbisa uye inovandudza kutendeseka kwemichina
• Via-in-pad thermal nzira - Inopa yakananga kupisa kuyerera kubva kune zvikamu kusvika mukati memagetsi ndege
• Mhangura yakazara-microvias -Inogonesa akawanda kutenderera kutenderera pasina kuburikidza nekuora muBGA maapplication

Panel-Level Processing Constraints

Kugadzirwa kwepanel kunogonesa kudhura-inoshanda HDI PCB kugadzira asi kunounza kufanana matambudziko asipo mukugadzira substrate. Laser drilling kurongeka kunosiyana munzvimbo yese yepaneru, zvinoda manhamba maitiro ekutonga uye kugadzika kwenzvimbo. Copper plating ukobvu kugovera pamapaneru akakura kunokanganisa kuenderana kwe impedance, inoda kungwarira dhizaini marongero anoisa akakosha maficha kudzikisa kumucheto mhedzisiro.

Kusangana Semiconductor Packaging Zvinodiwa neHDI PCB

Advanced Package Integration

HDI PCB tekinoroji inoshanda senge inogonesa chikuva chekubatanidza kune heterogeneous mumhando yepamusoro yekurongedza zvivakwa. Mune fan-out panel-level kurongedza, HDI mabhodhi anopa redistribution layer substrate ine yakanaka-pitch routing yekubatanidza kufa kune package-level interconnects.

Yekubatanidza 2.5D, yakakwira-density interposer yakavakwa uchishandisa SLP tekinoroji inopa zvakanakira mutengo pamusoro pesilicon interposers yezvikumbiro zvinoshivirira zvine mwero masaini densities. Module substrates dzinosanganisira kufa kwakawanda, passive components, uye zvimiro zvekudzivirira zvinotsamira pane HDI kugona kuwana inodiwa I/O densities mukati me compact tsoka.

Mobile uye Wearable Applications

Smartphone mainboards anoratidza HDI PCB density zvinodiwa, kazhinji iine 8-12 kuvaka-up layer ine 50/50 μm mutsara/nzvimbo geometries inotsigira chikamu chinodzika kusvika 0.35 mm. Chero-layer HDI zvimiro zvinogonesa kupokana kuburikidza nekuiswa, kukwidziridza nzira inoshanda mumagadzirirwo ane nzvimbo. Rigid-flex HDI zvivakwa zvinosanganisa zvinochinjika zvinopindirana mukati mekuvaka-up zvimiro, kubvisa zvinongedzo uye kudzikisa ukobvu hwemusangano wezvishandiso zvinopfekwa uye mafoni anopeta.

Kuvimbiswa Kwemhando uye Kugadziriswa Kwemaitiro eHDI PCB

Yakakosha Kuongorora Nzira

Kudzora mhando yekugadzira HDI PCB kunoshandisa nzira dzakasiyana-siyana dzekusimbisa pamatanho akasiyana-siyana ekuita:

• Automated optical inspection (AOI) -Inoona kutendeseka kweconductor, kuburikidza nekunyoresa kurongeka, uye pamusoro pekupedzisira mhando
• X-ray kuongorora -Inoratidza yemukati kuburikidza nekuumbwa kwemhando, kusanganisira kuenderera kwembiya uye kungangoita kuvharika
• Cross-sectional analysis -Inobvumidza kunyoreswa kwedhizaini, dielectric ukobvu, copper plating kufanana, uye kuburikidza nemhando yemhando

Aya matekiniki anomisikidza maitiro ekutanga ekutanga akakosha kune yakavimbika vhoriyamu kugadzirwa kwezvinhu zvakaoma HDI zvimiro.

Yemagetsi uye Kuvimbika Kuedzwa

Zviyero zvina-mapoinzi ekupikisa simbisa kuburikidza neketani kuenderera uye conductor kuramba mukati meiyo yakatarwa. Nguva-domain reflectometry (TDR) inosimbisa impedance profiles munzira dzakakosha dzechiratidzo, kuratidza discontinuities kubva kuburikidza neshanduko kana geometry musiyano.

Kuchovha bhasikoro pakati -55 ° C uye 125 ° C ye500-1000 mitsetse inotsikirira kubatanidza, kuburitsa hurema hwakadzika mukati kuburikidza nedhiramu adhesion kana padhi-ku-kuburikidza. Yakanyanya kukwidziridza kushushikana kuyedzwa (HAST) patembiricha yakakwira uye humidity inofumura kukanganisa kune conductive anodic filament (CAF) kuumbwa mune yakanaka-pitch geometries.

Mutengo Wekugadzirisa uye Supply Chain Factors

Economic Positioning yeHDI PCB Solutions

Substrate-Senge PCB inowana 30-50% kuderedzwa kwemutengo kana ichienzaniswa neyakajairwa IC substrates neleveraging panel processing, zvakajairwa PCB zvinhu, uye zviripo zvekugadzira zvivakwa zvine zvakanangwa zvekusimudzira michina. Nekudaro, mitengo yeSLP inodarika yakajairwa HDI ne20-40% nekuda kwehunyanzvi hwekudhirowa kwelaser, kugadzirisa kweSAP, uye kusimba kwemaitiro ekudzora. Kugadzirwa kwevhoriyamu kunobvisa mari yekudyara mukati mehuwandu hwepaneru, zvichiita kuti HDI uye SLP inakidze mune zvehupfumi kune zvikumbiro zvinoda zviuru kusvika kumamiriyoni emayuniti pagore.

Manufacturing Kugona Zvinodiwa

Kugadzira yepamusoro HDI PCB kunoda laser drilling masisitimu ane kudzika kwakadzika kudzora uye kurongeka kwechokwadi, ekupedzisira-yakatsetseka mutsara etching kana SAP kugona, uye otomatiki optical inspection system inokwanisa kuona sub-50 μm kukanganisa. Supply cheni inotariswa inosanganisira kuwanikwa kwezvinhu zvakakodzera dielectric, mafoiri emhangura akaonda ari pasi pe12 μm ukobvu, uye akasarudzika epamusoro anopedzisa anoenderana neyakatsetseka-pitch musangano. Nguva dzekutungamira dzinowanzo kubva kumavhiki e2-4 eHDI PCB zvichienzaniswa nemavhiki matanhatu-gumi emapasuru epasuru.

Ramangwana Trajectory yeHDI PCB Technology

Muganhu uripakati pePCB neIC substrate tekinoroji unoramba uchidzima sezvo hunyanzvi hwekugadzira hunochinja. Semi-yekuwedzera maitiro ari kuwedzera akananga padanho-chikamu kugadzirwa kwe-sub-20 μm maficha, inonetsa yechinyakare substrate domain. Girazi musimboti ma substrates arikubuda epamusoro-performance computing application anowedzera PCB-style panel processing uku ichiendesa substrate-giredhi remagetsi kuita uye dimensional kugadzikana.

Yepamberi HDI PCB inosanganisira yakamisikidzwa inofa, inongoita zvinhu, uye inoshanda zvishandiso mukati mekuvaka-up layer inomiririra muganho unotevera, kushandura akadhindwa edunhu mabhodhi kubva kune passive interconnect mapuratifomu kuita anoshanda system yekubatanidza mota. Sezvo semiconductor packaging inoshanduka ichienda kune chiplet architecture uye heterogeneous kubatanidzwa, HDI uye SLP matekinoroji anozotamba achiwedzera mabasa epakati mukugonesa inodhura-inoshanda, yepamusoro-inoshanda yekubatanidza mhinduro.

mhedziso

HDI PCB tekinoroji yakashanduka kubva pahunyanzvi hwekugona kusvika kune yakajairwa mhinduro yepamberi semiconductor kurongedza uye yakakwirira-density yemagetsi masisitimu. Iko kusanganiswa kwePCB uye substrate yekugadzira maitiro kuburikidza neSubstrate-Senge PCB nzira inopa vagadziri sarudzo dzinochinjika dzinotora kuenderera kubva pachinyakare HDI kusvika padyo-substrate performance level. Sezvo upamhi hwemitsara huri kuramba huchidzikira uye kurongedza zvivakwa zvichiwedzera kuomarara, HDI PCB icharamba yakakosha pakuita zvinodhura-zvinoshanda zvechinotevera-chizvarwa zvigadzirwa zvemagetsi.

Highleap Electronics: Mumwe Wako weAdvanced HDI PCB Manufacturing

Highleap Electronics inopa mhinduro dzakakwana dzeHDI PCB uye dzekuunganidza dzakagadzirirwa mashandisirwo e semiconductor packaging:

• Advanced HDI kugona -Laser microvia kuchera, kuvaka-up layer yekugadzirisa, uye chero-layer HDI zvimiro zvinotsigira geometries kusvika 30/30 μm.
• Substrate-Senge PCB hunyanzvi -Semi-yekuwedzera maitirwo ekuita kweiyo yekupedzisira-yakatsetseka mutsara yekugadzira inoswedera kune substrate-giredhi densities
• Integrated assembly services -Yakanaka-pitch BGA kuiswa, chikamu chinomisikidza, uye yakaoma-inochinjika musangano pasi pedenga remba
• Quality assurance - Yakazara yekuongorora mapuroteni anosanganisira AOI, X-ray, muchinjika-chikamu ongororo, uye kuvimbika kuyedzwa.
• Dhizaini rutsigiro -Kuongorora kweDFM uye stack-up optimization kuti ive nechokwadi chekugadzira uye kuita

Bata timu yedu yeinjiniya kuti mukurukure kuti kugona kwedu kugadzira HDI PCB kunogona sei kukurumidzisa kugadzirwa kwechigadzirwa chenyu uye kugadzirisa cheni yenyu yekugovera zvinhu kuti ikwanise kushandiswa pakurongedza zvinhu zvepamusoro.