Ceramic circuit board kwenikweni amapangidwa ndi zida zamagetsi zamagetsi ndipo amatha kupangidwa mosiyanasiyana.Pakati pawo, bolodi la dera la ceramic lili ndi mawonekedwe apamwamba kwambiri a kukana kutentha kwambiri komanso kutsekemera kwamagetsi.Zili ndi ubwino wokhala ndi dielectric otsika, kuchepa kwa dielectric, kutsika kwa kutentha kwapamwamba, kukhazikika kwa mankhwala, ndi ma coefficients ofanana a kukula kwa kutentha kwa zigawo zikuluzikulu.Ceramic kusindikizidwa matabwa dera amapangidwa pogwiritsa ntchito laser mofulumira kutsegula metallization luso LAM luso.Amagwiritsidwa ntchito m'munda wa LED, ma module a semiconductor apamwamba kwambiri, zoziziritsa kukhosi, zotenthetsera zamagetsi, mabwalo owongolera mphamvu, mabwalo osakanizidwa amphamvu, zida zamagetsi zamagetsi, zida zamagetsi zosinthira ma frequency, ma relay olimba, zamagetsi zamagalimoto, kulumikizana, zakuthambo ndi zida zamagetsi zankhondo. zigawo.

Zosiyana ndi zachikhalidwe FR-4 (chingwe chagalasi) , zida za ceramic zimakhala ndi machitidwe abwino kwambiri komanso magetsi, komanso kutentha kwapamwamba, kukhazikika kwa mankhwala ndi kukhazikika kwa kutentha.Zida zopangira zopangira zopangira mabwalo akuluakulu ophatikizika ndi ma module amagetsi amagetsi.

Ubwino waukulu:
1. Kutentha kwapamwamba kwambiri
2. Zambiri zofananira ndi kuchuluka kwa kutentha kwapakati
3. A cholimba, m'munsi kukana zitsulo filimu alumina ceramic dera bolodi
4. The solderability wa zinthu zoyambira ndi zabwino, ndipo ntchito kutentha ndi mkulu.
5. Kutsekera kwabwino
6. Kutayika kwafupipafupi kochepa
7. Sonkhanitsani ndi kachulukidwe kwambiri
8. Ilibe zosakaniza za organic, imagonjetsedwa ndi kuwala kwa cosmic, imakhala yodalirika kwambiri mumlengalenga ndi mlengalenga, ndipo imakhala ndi moyo wautali wautumiki.
9. Chosanjikiza chamkuwa sichikhala ndi oxide wosanjikiza ndipo chingagwiritsidwe ntchito kwa nthawi yayitali mumlengalenga wochepetsera.

Ubwino waukadaulo

Chidziwitso pakupanga makina a ceramic osindikizidwa a board board ukadaulo-bowo kukhomerera

Ndi chitukuko cha zida zamagetsi zamagetsi zomwe zimayang'ana pang'onopang'ono komanso kuthamanga kwambiri, FR-4 yachikhalidwe, gawo lapansi la aluminiyamu ndi zinthu zina zapansi panthaka sizilinso zoyenera pakukula kwamphamvu kwambiri komanso mphamvu zambiri.

Ndi kupita patsogolo kwa sayansi ndi ukadaulo, kugwiritsa ntchito mwanzeru kwamakampani a PCB.Tekinoloje zachikhalidwe za LTCC ndi DBC zimasinthidwa pang'onopang'ono ndi matekinoloje a DPC ndi LAM.Ukadaulo wa laser woimiridwa ndi ukadaulo wa LAM umagwirizana kwambiri ndi chitukuko cha kulumikizana kwamphamvu kwambiri komanso kuwongolera ma board osindikizidwa.Kubowola kwa laser ndiye ukadaulo wakutsogolo komanso wodziwika bwino pakubowola pamsika wa PCB.Ukadaulowu ndiwothandiza, wachangu, wolondola, ndipo uli ndi mtengo wogwiritsa ntchito kwambiri.

The RayMingceramic circuit board amapangidwa ndi laser mofulumira kutsegula metallization luso.Mphamvu yolumikizana pakati pa chitsulo chosanjikiza ndi ceramic ndi yayikulu, mphamvu zamagetsi ndi zabwino, ndipo kuwotcherera kumatha kubwerezedwa.Makulidwe a chitsulo wosanjikiza amatha kusinthidwa mumitundu ya 1μm-1mm, yomwe imatha kukwaniritsa L / S kusamvana.20μm, imatha kulumikizidwa mwachindunji kuti ipereke mayankho makonda kwa makasitomala

Chisangalalo chakumapeto kwa mpweya wa CO2 laser chimapangidwa ndi kampani yaku Canada.Poyerekeza ndi ma lasers achikhalidwe, mphamvu zotulutsa ndizokwera kwambiri mpaka zana limodzi mpaka chikwi chimodzi, ndipo ndizosavuta kupanga.

Mu ma electromagnetic spectrum, ma frequency a wailesi amakhala pamtundu wa 105-109 Hz.Ndi chitukuko chaukadaulo wankhondo ndi zakuthambo, ma frequency achiwiri amatulutsidwa.Ma lasers amphamvu otsika komanso apakatikati a RF CO2 ali ndi magwiridwe antchito abwino kwambiri, mphamvu yokhazikika komanso kudalirika kwakukulu kogwira ntchito.Zinthu monga moyo wautali.UV solid YAG imagwiritsidwa ntchito kwambiri m'mapulasitiki ndi zitsulo mumakampani opanga ma microelectronics.Ngakhale njira yobowola laser ya CO2 ndiyovuta kwambiri, kupanga kabowo kakang'ono kamene kamakhala bwino kuposa ka UV solid YAG, koma laser ya CO2 ili ndi zabwino zake zogwira ntchito kwambiri komanso kukhomerera kothamanga kwambiri.Gawo la msika la PCB laser micro-hole processing likhoza kukhala lanyumba la laser laling'ono-bowo likukulabe Pakali pano, si makampani ambiri omwe angapange.

Kupanga kwapakhomo kwa laser microvia kudakali pachitukuko.Ma laser afupiafupi komanso apamwamba kwambiri amagwiritsidwa ntchito kubowola mabowo mu magawo a PCB kuti akwaniritse mphamvu zochulukirapo, kuchotsa zinthu komanso kupanga mabowo ang'onoang'ono.Ablation imagawidwa mu photothermal ablation ndi photochemical ablation.Photothermal ablation imatanthawuza kukwaniritsidwa kwa njira yopangira dzenje kudzera pakuyamwa mwachangu kwa kuwala kwamphamvu kwa laser ndi gawo lapansi.Photochemical ablation imatanthawuza kuphatikizika kwamphamvu ya photon m'chigawo cha ultraviolet chopitilira 2 eV electron volts ndi laser wavelength kupitilira 400 nm.Njira yopanga imatha kuwononga maunyolo aatali azinthu zakuthupi kuti apange tinthu tating'onoting'ono, ndipo tinthu tating'onoting'ono titha kupanga ma micropores mwachangu potengera mphamvu yakunja.

Masiku ano, ukadaulo waku China wakubowola laser uli ndi zochitika zina komanso kupita patsogolo kwaukadaulo.Poyerekeza ndi ukadaulo wapadziko lonse lapansi, ukadaulo wa laser kubowola umakhala wolondola kwambiri, kuthamanga kwambiri, kuthamanga kwambiri, kukhomerera kwakukulu, koyenera zida zofewa komanso zolimba, popanda kutayika kwa zida, komanso kutulutsa zinyalala.Ubwino wa zipangizo zochepa, chitetezo cha chilengedwe komanso palibe kuipitsa.

The ceramic dera bolodi ndi kudzera laser kubowola ndondomeko, mphamvu yolumikizana pakati pa ceramic ndi zitsulo ndi mkulu, si kugwa, thovu, etc., ndi zotsatira za kukula pamodzi, mkulu pamwamba flatness, roughness chiŵerengero cha 0.1 micron kuti 0,3 micron, laser kugunda dzenje awiri Kuchokera 0,15 mm kwa 0.5 mm, kapena 0,06 mm.


Ceramic circuit board kupanga-etching

Chojambula chamkuwa chomwe chimatsalira pamtunda wakunja kwa bolodi la dera, ndiko kuti, mawonekedwe a dera, amakonzedweratu ndi wosanjikiza wotsutsa-tin, ndiyeno gawo losatetezedwa lopanda kondakitala lamkuwa limapangidwa ndi mankhwala kuti apange dera.

Malinga ndi njira zosiyanasiyana, etching imagawidwa mu etching yamkati ndi etching yakunja.Mkati wosanjikiza etching ndi acid etching, chonyowa filimu kapena youma filimu m ntchito ngati kukana;kutsekemera kwakunja kumapangidwa ndi alkaline, ndipo tini-lead imagwiritsidwa ntchito ngati kukana.Wothandizira.

Mfundo yaikulu ya etching anachita

1. Alkalization wa asidi mkuwa kolorayidi


1, Acdic mkuwa kolorayidi alkalization

Kukhudzika: Mbali ya filimu yowuma yomwe siinatenthedwe ndi kuwala kwa ultraviolet imasungunuka ndi ofooka alkaline sodium carbonate, ndipo gawo loyatsa limatsalira.

Etching: Malinga ndi gawo lina la yankho, mkuwa womwe umawonekera posungunula filimu yowuma kapena filimu yonyowa imasungunuka ndikukhazikika ndi yankho la acid copper chloride etching.

Filimu yakuda: Kanema woteteza pamzere wopanga amasungunuka pamlingo wina wa kutentha ndi liwiro.

Acidic copper chloride chothandizira ali ndi mawonekedwe osavuta kuwongolera kuthamanga kwa etching, kuthamanga kwapamwamba kwa mkuwa, mtundu wabwino, komanso kuchira kosavuta kwa etching solution.

2. Kupaka zamchere



Kuchuluka kwa alkaline

Filimu yakuda: Gwiritsani ntchito madzi a meringue kuchotsa filimuyo pamwamba pa filimuyo, ndikuwulula mkuwa wosagwiritsidwa ntchito.

Etching: Zosafunikira zapansi zosafunikira zimachotsedwa ndi etchant kuchotsa mkuwa, kusiya mizere yokhuthala.Pakati pawo, zida zothandizira zidzagwiritsidwa ntchito.The accelerator ntchito kulimbikitsa makutidwe ndi okosijeni anachita ndi kupewa mpweya wa cuprous ayoni;mankhwala othamangitsa tizilombo amagwiritsidwa ntchito kuchepetsa kukokoloka kwa mbali;inhibitor imagwiritsidwa ntchito poletsa kubalalika kwa ammonia, mpweya wamkuwa, ndikufulumizitsa makutidwe ndi okosijeni amkuwa.

Emulsion yatsopano: Gwiritsani ntchito madzi a monohydrate ammonia opanda ayoni amkuwa kuchotsa zotsalira pa mbale ndi ammonium chloride solution.

Bowo lathunthu: Njirayi ndiyoyenera kumiza golide wokha.Chotsani ma ion ochulukirachulukira a palladium m'mabowo osakutidwa kuti muteteze ma ayoni agolide kuti asamire pakugwa kwa golide.

Kupukuta zitini: Chosanjikiza cha tin-lead chimachotsedwa pogwiritsa ntchito nitric acid solution.

Zinayi zotsatira za etching

1. dziwe zotsatira
Panthawi yopanga etching, madziwo amapanga filimu yamadzi pa bolodi chifukwa cha mphamvu yokoka, motero amalepheretsa madzi atsopano kuti asagwirizane ndi mkuwa.




2. Groove zotsatira
Kuphatikizika kwa mankhwala opangira mankhwala kumapangitsa kuti njira yothetsera mankhwala igwirizane ndi kusiyana pakati pa payipi ndi payipi, zomwe zimabweretsa kuchuluka kwa etching m'dera wandiweyani, ndi malo otseguka.




3. Kudutsa zotsatira
Mankhwala amadzimadzi amayenda pansi kudzera mu dzenje, zomwe zimawonjezera kuthamanga kwa mankhwala amadzimadzi kuzungulira dzenje la mbale panthawi ya etching, ndipo kuchuluka kwa etching kumawonjezeka.




4. Nozzle swing effect
Mzere wofanana ndi kugwedezeka kwa mphuno, chifukwa mankhwala atsopano amadzimadzi amatha kusokoneza mankhwala amadzimadzi pakati pa mizere, mankhwala amadzimadzi amasinthidwa mofulumira, ndipo kuchuluka kwa etching ndi kwakukulu;

Mzere perpendicular kwa kugwedezeka malangizo a nozzle, chifukwa latsopano mankhwala madzi si kophweka dissipate mankhwala madzi pakati pa mizere, mankhwala madzi ndi mpumulo pa liwiro pang'onopang'ono, ndi etching kuchuluka ndi yaing'ono.




Mavuto omwe amapezeka pakupanga etching ndi njira zowonjezera

1. Kanemayo ndi wopanda malire
Chifukwa ndende ya manyuchi ndi otsika kwambiri;liwiro la mzere ndi lothamanga kwambiri;kutsekeka kwa mphuno ndi zovuta zina zidzapangitsa kuti filimuyi ikhale yosatha.Chifukwa chake, ndikofunikira kuyang'ana kuchuluka kwa madziwo ndikusintha kuchuluka kwa madziwo pamlingo woyenera;sinthani liwiro ndi magawo munthawi yake;ndiye yeretsani mphuno.

2. Pamwamba pa bolodi ndi oxidized
Chifukwa madzi amadzimadzi ndi okwera kwambiri komanso kutentha kwambiri, kumapangitsa kuti pamwamba pa bolodi mukhale oxidize.Choncho, m'pofunika kusintha ndende ndi kutentha kwa madzi mu nthawi.

3. Thetecopper sinamalizidwe
Chifukwa liwiro etching ndi mofulumira kwambiri;kupangidwa kwa madzi ndikokondera;pamwamba mkuwa waipitsidwa;mphuno yatsekedwa;kutentha kumakhala kochepa ndipo mkuwa sunamalizidwe.Choncho, m`pofunika kusintha etching kufala liwiro;fufuzaninso kapangidwe ka madzi;samalani ndi kuipitsidwa kwa mkuwa;yeretsani nozzle kuti musatseke;sinthani kutentha.

4. Mkuwa wonyezimira ndiwokwera kwambiri
Chifukwa makinawa amayenda pang'onopang'ono, kutentha kumakhala kokwera kwambiri, ndi zina zotero, kungayambitse dzimbiri lamkuwa.Choncho, miyeso monga kusintha liwiro la makina ndi kusintha kutentha kuyenera kutengedwa.