Uhlalutyo olonakalisayo lwe-laser coding kwi-PCB

Itekhnoloji yokumakisha iLaser yenye yezona ndawo zinkulu zokusetyenziswa kwelaser. Ukumakishwa kweLaser yindlela yokumakisha esebenzisa i-laser ye-high-energy density laser kwi-irradiate yendawo yokusebenza ukuze ikhuphe imathiriyeli yomphezulu okanye ibangele ukusabela kweekhemikhali ukutshintsha umbala, ngaloo ndlela kushiya uphawu olusisigxina. Ukumakishwa kweLaser kunokuvelisa iintlobo ezahlukeneyo zeempawu, iisimboli kunye neepateni, njl. njl., kwaye ubukhulu beempawu bunokuvela kwiimilimitha ukuya kwi-micrometers, ebaluleke kakhulu kwimveliso echasene ne-counterfeiting.

 

Umgaqo we-laser coding

Umgaqo osisiseko wokumakishwa kwelaser kukuba umqadi welaser oqhubeka ngamandla ngamandla uveliswa yijenereyitha yelaser, kwaye i-laser egxininisiweyo isebenza kwizinto zokuprinta ukuze inyibilike ngoko nangoko okanye ide ikhuphe imathiriyeli yomphezulu. Ngokulawula umendo we-laser kumphezulu wezinto eziphathekayo, yenza Iimpawu zegraphic ezifunekayo.

Uphawu lokuqala

Ukucutshungulwa kokungabikho koqhagamshelwano, kunokumakishwa kuyo nayiphi na indawo ekhethekileyo, i-workpiece ayiyi kuphazamisa kwaye ivelise uxinzelelo lwangaphakathi, olulungele ukuphawula isinyithi, iplastiki, iglasi, i-ceramic, imithi, isikhumba kunye nezinye izinto.

Faka isibini

Phantse zonke iindawo (ezifana neepistons, imisesane yepiston, iivalvu, izihlalo zevalvu, izixhobo zehardware, i-sanitary ware, izinto ze-elektroniki, njl.njl.) zinokumakishwa, kwaye amanqaku awanxibi, inkqubo yokuvelisa kulula ukuyiqonda i-automation, kwaye iindawo eziphawulweyo zinenguquko encinci.

Inqaku lesithathu

Indlela yokuskena isetyenziselwa ukumakisha, oko kukuthi, i-laser beam isehlo kwizibuko ezibini, kwaye i-motor-controlled scanning motor iqhuba izibuko ukuba zijikeleze ecaleni kwee-axes ze-X kunye ne-Y ngokulandelanayo. Emva kokuba i-laser beam igxininisekile, iwela kwi-workpiece ephawulweyo, ngaloo ndlela yenza i-laser marking. umkhondo.

 

Izinto ezilungileyo zokusebenzisa ikhowudi yelaser

 

01

Umqadi welaser obhityileyo kakhulu emva kokugxila kwelaser ufana nesixhobo, esinokususa imathiriyeli engaphezulu yento ngenqaku. Ubume bayo obuphambili kukuba inkqubo yokumakisha i-non-contact processing, engavelisi i-extrusion yomatshini okanye uxinzelelo lomatshini, ngoko ayiyi kulimaza inqaku elicwangcisiweyo; Ngenxa yobungakanani obuncinci be-laser emva kokugxila, indawo encinci echaphazelekayo ukushisa, kunye nokulungiswa kakuhle, ezinye iinkqubo ezingenako ukufezekiswa ngeendlela eziqhelekileyo zingagqitywa.

02

"Isixhobo" esisetyenziswe kwi-laser processing yindawo ekugxilwe kuyo ukukhanya. Akukho zixhobo ezongezelelweyo kunye nezixhobo ezifunekayo. Ngethuba nje i-laser inokusebenza ngokuqhelekileyo, inokuqhutyelwa ngokuqhubekayo ixesha elide. Isantya sokucubungula i-laser sikhawuleza kwaye iindleko ziphantsi. Ukusetyenzwa kweLaser kulawulwa ngokuzenzekelayo yikhompyuter, kwaye akukho ngenelelo lomntu olufunekayo ngexesha lokuvelisa.

03

Luhlobo luni lolwazi oluphawulwa yilaser lunxulumene kuphela nomxholo owenziwe kwikhompyuter. Ngethuba nje inkqubo yokumakisha yobugcisa eyenzelwe kwikhompyutheni inokuyibona, umatshini wokumakisha unokubuyisela ngokuchanekileyo ulwazi loyilo kumthwali ofanelekileyo. Ngoko ke, umsebenzi wesoftware ngokwenene umisela umsebenzi wenkqubo ukuya kumlinganiselo omkhulu.

Kwisicelo se-laser kwintsimi ye-SMT, ukulandelwa kokumakisha kwe-laser kwenziwa ikakhulu kwi-PCB, kwaye ukutshabalalisa kwe-laser ye-wavelengths eyahlukeneyo kwi-PCB tin masking layer ayihambelani.

Okwangoku, iilaser ezisetyenziswa kwi-laser coding ziquka ii-fiber lasers, i-ultraviolet lasers, iilaser eziluhlaza kunye ne-CO2 lasers. Iilaser ezisetyenziswa ngokuqhelekileyo kushishino ziilaser zeUV kunye neCO2 lasers. I-Fiber lasers kunye ne-laser eluhlaza zisetyenziswa kancinci.

 

i-fiber-optic laser

I-Fiber pulse laser ibhekisa kuhlobo lwelaser eveliswe ngokusebenzisa ifayibha yeglasi efakwe izinto ezinqabileyo zomhlaba (ezifana neytterbium) njengendlela yokuzuza. Inomgangatho otyebileyo wamandla akhanyayo. Ubude be-laser ye-pulsed fiber yi-1064nm (iyafana ne-YAG, kodwa umahluko yinto yokusebenza ye-YAG yi-neodymium) (QCW, i-fiber laser eqhubekayo inobude obuqhelekileyo be-1060-1080nm, nangona i-QCW ikwayi-laser pulsed, kodwa i-pulse yayo. Isixhobo sokuvelisa sahluke ngokupheleleyo, kwaye ubude bobude bukwahlukile), yilaser ekufutshane ne-infrared. Ingasetyenziselwa ukuphawula izinto zetsimbi kunye nezingezizo ezentsimbi ngenxa yezinga eliphezulu lokufunxa.

Inkqubo iphunyezwa ngokusebenzisa impembelelo ye-thermal ye-laser kwizinto eziphathekayo, okanye ngokufudumeza kunye nokuphunga izinto ezingaphezulu ukuze ziveze iileya ezinzulu zemibala eyahlukeneyo, okanye ngokufudumeza utshintsho olubonakalayo olubonakalayo kumphezulu wezinto (ezifana ne-nanometers, i-nanometers ezilishumi) I-Micro-holes yeBanga iya kuvelisa umphumo womzimba omnyama, kwaye ukukhanya kunokubonakaliswa kuncinci kakhulu, okwenza izinto zibonakale zimnyama mnyama) kunye nokusebenza kwayo okubonakalayo kuya kutshintsha kakhulu, okanye ngokuphendula kweekhemikhali okwenzeka xa kushushu ngamandla okukhanya. , iya kubonisa Ulwazi olufunekayo olufana nemizobo, abalinganiswa, kunye neekhowudi zeQR.

 

UV laser

I-laser ye-Ultraviolet yilaser yobude obufutshane. Ngokubanzi, itekhnoloji yokuphinda kabini iitekhnoloji isetyenziselwa ukuguqula ukukhanya kwe-infrared (1064nm) ekhutshwe yi-laser-state eqinile ibe yi-355nm (izihlandlo ezithathu) kunye ne-266nm (i-quadruple frequency) ukukhanya kwe-ultraviolet. Amandla e-photon ayo makhulu kakhulu, anokuthi ahambelane namanqanaba amandla kwezinye iibhondi zekhemikhali (iibhondi ze-ionic, iibhondi ze-covalent, iibhondi zentsimbi) phantse zonke izinto ezikwindalo, kwaye zaphule ngokuthe ngqo iibhondi zekhemikhali, ezibangela ukuba izinto zingene kwi-photochemical reactions ngaphandle kokucacileyo. iziphumo zokufudumala (i-nucleus, Amanqanaba athile amandla eelektroni zangaphakathi angakwazi ukufunxa iifoto ze-ultraviolet, aze adlulisele amandla nge-lattice vibration, okubangelwa umphumo we-thermal, kodwa awubonakali), oko kukuthi "ukusebenza okubandayo". Ngenxa yokuba akukho siphumo esicacileyo se-thermal, i-laser ye-UV ayinakusetyenziselwa i-welding, isetyenziselwa ukuphawula kunye nokusika ngokuchanekileyo.

Inkqubo yokumakisha ye-UV iqondwa ngokusebenzisa i-photochemical reaction phakathi kokukhanya kwe-UV kunye nezinto ezibangela ukuba umbala utshintshe. Ukusebenzisa iiparamitha ezifanelekileyo kunokuphepha isiphumo esicacileyo sokususa kumphezulu wezinto eziphathekayo, kwaye ngaloo ndlela unokuphawula imizobo kunye nabalinganiswa ngaphandle kokuchukumisa okucacileyo.

Nangona i-laser ye-UV inokuphawula zombini isinyithi kunye ne-non-metals, ngenxa yeendleko, i-fiber lasers zisetyenziselwa ukuphawula izinto zetsimbi, ngelixa ii-laser ze-UV zisetyenziselwa ukuphawula iimveliso ezifuna umgangatho ophezulu kwaye kunzima ukufezekisa nge-CO2, ukwenza umdlalo ophantsi ngeCO2.

 

ILaser eluhlaza

I-laser eluhlaza ikwayi-laser yobude obufutshane. Ngokubanzi, itekhnoloji yokuphinda kabini iphinda isetyenziswe ukuguqula isibane se-infrared (1064nm) esikhutshwa yilaser eqinileyo ibe sisibane esiluhlaza kwi-532nm (izihlandlo ezibini). I-laser eluhlaza ibonakala ukukhanya kunye ne-ultraviolet laser ukukhanya okungabonakaliyo. . I-laser eluhlaza inamandla amakhulu e-photon, kunye neempawu zayo zokubanda ezibandayo zifana kakhulu nokukhanya kwe-ultraviolet, kwaye inokwenza ukhetho oluhlukeneyo nge-laser ultraviolet.

Inkqubo yokumakisha ukukhanya okuluhlaza iyafana ne-laser ultraviolet, esebenzisa i-photochemical reaction phakathi kokukhanya okuluhlaza kunye nezinto ezibangela ukuba umbala utshintshe. Ukusetyenziswa kweeparamitha ezifanelekileyo kunokuphepha umphumo ocacileyo wokususa kwindawo yezinto eziphathekayo, ngoko unokumakisha iphethini ngaphandle kokuchukumisa okucacileyo. Njengabalinganiswa, kukho ngokubanzi umaleko wokufihla i-tin kumphezulu we-PCB, odla ngokuba nemibala emininzi. I-laser eluhlaza inempendulo entle kuyo, kwaye imizobo ephawulweyo icace kakhulu kwaye ithambile.

 

CO2 laser

I-CO2 yilaser yerhasi esetyenziswa ngokuqhelekileyo enamanqanaba amaninzi akhanyayo. Ubude obuqhelekileyo belaser yi-9.3 kunye ne-10.6um. I-laser ye-infrared inamandla aqhubekayo okuphuma ukuya kumashumi e-kilowatts. Ngokuqhelekileyo i-laser ye-CO2 yamandla aphantsi isetyenziselwa ukugqiba inkqubo ephezulu yokuMakisha iimolekyuli kunye nezinye izinto ezingekho zetsimbi. Ngokuqhelekileyo, i-CO2 lasers ayifane isetyenziselwe ukuphawula isinyithi, kuba izinga lokufunxa kwesinyithi liphantsi kakhulu (i-CO2 ephezulu ingasetyenziselwa ukusika kunye nentsimbi ye-weld. kunye nezinye izinto, sele isetyenziswe ngokuthe ngcembe yi-fiber lasers.

Inkqubo yokumakisha i-CO2 iphunyezwa ngokusebenzisa impembelelo ye-thermal ye-laser kwizinto eziphathekayo, okanye ngokufudumeza kunye nokufunxa izinto ezingaphezulu ukuze ziveze iileya ezinzulu zezinto ezinemibala eyahlukeneyo, okanye ngamandla okukhanya okufudumeza utshintsho olubonakalayo olubonakalayo kumphezulu wezinto. yenze ibonakale Utshintsho oluphawulekayo lwenzeka, okanye iintshukumo ezithile zeekhemikhali ezenzeka xa kufudunyezwa ngamandla okukhanya, kunye nemizobo efunekayo, iimpawu, iikhowudi ezinomacala amabini kunye nolunye ulwazi luyaboniswa.

I-CO2 lasers isetyenziswa ngokubanzi kumacandelo e-elektroniki, izixhobo, iimpahla, isikhumba, iibhegi, izihlangu, amaqhosha, iiglasi, amayeza, ukutya, iziselo, izithambiso, ukupakishwa, izixhobo zombane kunye nezinye iindawo ezisebenzisa izinto zepolymer.

 

Ikhowudi yeLaser kwizinto zePCB

Isishwankathelo sohlalutyo olutshabalalisayo

I-Fiber lasers kunye ne-CO2 lasers zombini zisebenzisa i-thermal effect ye-laser kwizinto eziphathekayo ukufezekisa umphumo wokumakisha, ngokusisiseko ukutshabalalisa umphezulu wezinto eziphathekayo ukwenza umphumo wokulahlwa, ukuvuza umbala ongasemva, kunye nokwenza i-chromatic aberration; ngelixa i-laser ye-ultraviolet kunye ne-laser eluhlaza isebenzisa i-laser ukuya Ukusabela kweekhemikhali zezinto ezibangela ukuba umbala wezinto eziphathekayo utshintshe, kwaye ke awuvelisi umphumo wokugatya, ukwenza imizobo kunye nabalinganiswa ngaphandle kokuchukumisa okucacileyo.