We guarantee value for money through material specifications and quality control. Our quality control standards are much stricter than those of other suppliers, and ensure that our products can give full play to the expected performance.

Ngakhale palibe kusiyana pakuwonana koyamba, zinthu zabwino kwambiri pamapeto pake zimakhala zofunikira kwambiri

Ndi kudzera pamwamba pomwe timawona kusiyana, komwe kuli kofunikira pakukhazikika ndi ntchito ya PCB in the whole life. Customers do not always see these differences, but they can rest assured that the supplied PCBs meet the most stringent quality standards.

Whether in the manufacturing and assembly process or in practical use, PCB should have reliable performance, which is very important. In addition to relevant costs, defects in the assembly process may be brought into the final product by PCB, and faults may occur in the actual use process, resulting in claims. Therefore, from this point of view, it is not too much to say that the cost of a high-quality PCB is negligible.

In all market segments, especially those producing products in key application areas, the consequences of such failures are unimaginable.

These aspects should be kept in mind when comparing PCB prices. Although the initial cost of reliable, guaranteed and long-life products is high, they are worth it in the long run.

Mafotokozedwe a PCB apitilira zofunikira za IPC class 2

Kudalirika kwambiri board board – zinthu 14 zofunika kwambiri zosankhidwa pazinthu 103

1. 25 micron hole wall copper thickness

pindula

Kudalirika kopitilira muyeso, kuphatikiza kukonzanso kwakukula kwa z-axis.

Kuopsa kosachita izi

Mavuto amagetsi polumikizana ndi dzenje kapena kuphulika, kusonkhana (kupatukana kwamkati, kukhomoka kwa khoma), kapena zolakwika zimatha kupezeka panthawi yazovuta. IPC kalasi 2 (muyezo wovomerezedwa ndi mafakitale ambiri) imafuna 20% yocheperako mkuwa.

2. Palibe kukonza kwa kuwotcherera kapena kotseguka kotseguka

pindula

Perfect circuit can ensure reliability and safety, no maintenance and no risk

Kuopsa kosachita izi

If not repaired properly, the circuit board will be open circuit. Even if the repair is’ proper ‘, there is a risk of failure under load conditions (vibration, etc.), which may occur in actual use.

3. Kupitilira zofunikira za ukhondo pamiyeso ya IPC

pindula

Kupititsa patsogolo ukhondo wa PCB kumatha kudalirika.

Kuopsa kosachita izi

The residue and solder accumulation on the circuit board will bring risks to the anti welding layer, and the ion residue will lead to the risk of corrosion and pollution on the welding surface, which may lead to reliability problems (bad solder joint / electrical failure), and finally increase the probability of actual failure.

4. Mosamalitsa kulamulira moyo wa utumiki wa aliyense pamwamba chithandizo

pindula

Solderability, kudalirika, komanso kuchepetsa chiopsezo cholowetsa chinyezi

Kuopsa kosachita izi

Chifukwa cha kusintha kwa ma metallographic pamatenda am’makedzedwe akale, zovuta za solder zitha kuchitika, ndikulowetsedwa kwa chinyezi kumatha kubweretsa kusokonekera, kusanjikiza kwamkati ndi kukhoma kwa mabowo (dera lotseguka) pamsonkhano ndi / kapena kugwiritsiradi ntchito.

5. Gwiritsani ntchito magawo omwe amadziwika padziko lonse lapansi – musagwiritse ntchito “kwanuko” kapena zopangidwa zosadziwika

pindula

Sinthani kudalirika komanso magwiridwe antchito

Kuopsa kosachita izi

Kusachita bwino kwa makina kumatanthauza kuti oyang’anira dera sangachite momwe amayembekezera pamisonkhano. Mwachitsanzo, magwiridwe antchito akutali adzawatsogolera ku delamination, dera lotseguka komanso warpage. Kufooka kwa mawonekedwe amagetsi kumatha kubweretsa kuyendetsa bwino kwama impedance.

6. Kulekerera kwa mkuwa wovekedwa laminate kudzakwaniritsa zofunikira za ipc4101 kalasi B / L.

pindula

Strictly controlling the thickness of dielectric layer can reduce the deviation of expected value of electrical performance.

Kuopsa kosachita izi

Magwiridwe amagetsi sangakwaniritse zomwe zafotokozedwazi, ndipo padzakhala kusiyana kwakukulu pakukula / magwiridwe antchito a gulu lomwelo.

7. Define solder resist materials to ensure compliance with ipc-sm-840 class T requirements

pindula

Zindikirani inki yabwino kwambiri, kuzindikira chitetezo cha inki, ndikuwonetsetsa kuti solder ikana inki ikukwaniritsa miyezo ya UL.

Kuopsa kosachita izi

Ma inki amtundu wosauka amatha kuyambitsa zomata, kukana kutuluka ndi mavuto. Mavuto onsewa atsogolera kupatukana kwa solder kukana kuyendetsa komiti ndipo pamapeto pake kumabweretsa dzimbiri lamkuwa. Kutsekemera koyipa kumatha kuyambitsa maseketi afupikitsa chifukwa cholumikizidwa mosayembekezereka / kupindika kwa magetsi.

8. Kutanthauzira kulolerana kwa mawonekedwe, mabowo ndi mawonekedwe ena

pindula

Kuletsa kukhwimitsa kumatha kusintha mawonekedwe azinthu – kusintha mawonekedwe, mawonekedwe ndi magwiridwe antchito

Kuopsa kosachita izi

Mavuto pamsonkhano, monga mayikidwe / zoyenera (vuto la singano yolumikizana bwino limapezeka pokhapokha msonkhano utatha). Kuphatikiza apo, padzakhala zovuta pakukweza maziko chifukwa chakuchulukirachulukira.

9. The thickness of solder resist is specified, although it is not specified in IPC

pindula

Kupititsa patsogolo kutchinjiriza kwamagetsi kumachepetsa chiopsezo chokhotakhota kapena kutayika kwa zomata ndikuthandizira kuthana ndi zovuta zamakina – kulikonse komwe zingakhudzidwe ndimakina!

Kuopsa kosachita izi

Woonda solder kukana wosanjikiza kungachititse kuti guluu wolumikizira, kamwazi kukana ndi mavuto kuuma. Mavuto onsewa atsogolera kupatukana kwa solder kukana kuyendetsa komiti ndipo pamapeto pake kumabweretsa dzimbiri lamkuwa. Kutsekemera koyipa chifukwa chazitsulo zosakhazikika zimatha kuyambitsa dera lalifupi chifukwa chakuyendetsa mwangozi / arc.

10. Appearance and repair requirements are defined, although not defined by IPC

pindula

Mukamapanga zinthu, chisamaliro ndi chisamaliro mosamala zimapanga chitetezo.

Kuopsa kosachita izi

Zilonda zosiyanasiyana, kuwonongeka pang’ono, kukonza ndi kukonza – ma board board amayenda koma samawoneka bwino. Kuphatikiza pa zovuta zomwe zimawoneka pamtunda, ndi zoopsa ziti zosaoneka, zomwe zimakhudza msonkhano komanso zoopsa zomwe zikugwiritsidwa ntchito?

11. Zofunikira pakuya kwa dzenje la pulagi

pindula

Mabowo apamwamba a pulagi amachepetsa chiopsezo cholephera pamsonkhano.

Kuopsa kosachita izi

Zatsalira zamagetsi munjira yamvula yagolide zimatha kukhalabe m’mabowo osakhala ndi mabowo osakwanira, zomwe zimabweretsa mavuto monga kusungunuka. Kuphatikiza apo, mikanda yamalata imatha kubisika mdzenjemo. Pakati pa msonkhano kapena kugwiritsiridwa ntchito, mikanda yamatini imatha kutuluka ndikupangitsa kuti pakhale kanthawi kochepa.

12. Peters sd2955 imafotokoza mtunduwo ndi mtundu wa guluu wa buluu wosadulidwa

pindula

Kutchulidwa kwa guluu wabuluu wosadulidwa kumatha kupewa kugwiritsa ntchito “kwanuko” kapena zinthu zotsika mtengo.

Kuopsa kosachita izi

Guluu wotsika mtengo wotsika mtengo utha kuphulika, kusungunuka, kusweka kapena kukhala ngati konkriti pamsonkhano, kuti gululi losunthika lisavulidwe / kusagwira ntchito.

13. Chitani zovomerezeka ndi dongosolo lililonse logulira chilichonse

pindula

Kukhazikitsa njirayi kumatsimikizira kuti mafotokozedwe onse atsimikizidwa.

Kuopsa kosachita izi

Ngati malingaliro azogulitsazo sanatsimikizidwe bwino, kupatuka kumeneku sikungapezeke mpaka msonkhano kapena chinthu chomaliza, kenako ndichedwa.

14. Mipata yolumikizidwa ndi zotupa sizovomerezeka

pindula

Kusagwiritsa ntchito msonkhano wochepa kumatha kuthandiza makasitomala kuti achite bwino.

Kuopsa kosachita izi

Report mayeso

Njira zofunikira pamisonkhano yofunikira zimafunikira pamatumba osalongosoka. Ngati bolodi lanyumba (x-out) silikudziwika bwino kapena kutalikirana ndi bolodi, ndikotheka kusonkhanitsa bolodi loipa ili, kuwononga magawo ndi nthawi.