Ua tiav Kev Tsim Khoom Uas Tsis Muaj Qhov Tsis Zoo Los Ntawm Plaub Lub Ntsiab Lus Txuj Ci
I. Kev Txawj Ntse: Kev Tswj Xyuas Kev Ntsuas ntawm Kev Muab Tshuaj Solder
Kev Nkag Siab Txog Kev Lag Luam: "60% -70% qhov tsis zoo ntawm kev vuam yog los ntawm kev luam ntawv (IPC-7525 7.1.2). Kev tso cov khoom siv kom raug yog thawj kab tiv thaiv."
Cov Hom Phiaj Tswj Xyuas Kom Muaj Peev Xwm
| Qhov Loj | Cov Kev Cai Txheem | IPC Siv |
|---|---|---|
| Qhov Ntsuas Tseeb | Tus Nqi Hloov> 85%, CPK ≥ 1.67 | J-STD-005 4.3.2 |
| Kev Ncaj Ncees ntawm Cov Duab | Kev poob qis ≤ 10%, Tsis muaj Tailing / Collapse | IPC-SM-817 3.2.1 |
| Qhov Tseeb ntawm Txoj Haujlwm | Kev sib txawv ≤ 15% ntawm qhov dav ntawm ncoo | IPC-A-610H 8.2.3.4 |
II. Kev Txhim Kho Kom Zoo Dua Plaub Lub Ntsiab Lus Txuj Ci
1. Tsim Qauv Stencil: Nano-scale Precision Template
- ·Kev txiav laser + electropolishing (Ra ≤ 0.6μm, ua raws li Chav Kawm 3)
- ·Qhov siab nce/qis ≤ 0.08 hli (tsim kev sib tsoo tiv thaiv hniav)
- ·SiN nano-txheej txo cov teeb meem ntawm lub pob solder los ntawm 38%
- ·Tsim qhov me me rau 01005 yam khoom (qhov piv ntawm thaj chaw ≥ 0.71)
Kev Ua Haujlwm Txheeb Xyuas Kev Tsim Qauv: PCB → DFM → Prototype → Kev Tsim Khoom Loj
2. Cov Kev Cai Luam Ntawv: Kaw-lub voj voog Smart Control
| Cov Qauv | Tus Qauv Ntau Yam | Qhov Kev Pheej Hmoo |
|---|---|---|
| Lub Tshuab Nqus Dej Siab | 100 ± 20 g/hli | >150 g/hli → stencil deformation |
| Kev Sib Cais Ceev | 1.5 ± 0.5 hli/s | >3 hli/s → pob zeb tombstone +250% |
| Cov xwm txheej ib puag ncig | 23 ± 1 ℃ / 50 ± 5% RH | ΔT > 3 ℃ → qhov hloov pauv ntawm qhov ntim ± 12% |
Kev Tswj Xyuas AI Kaw: Kev saib xyuas SPI → LSTM qauv → kev them nyiaj dynamic → CPK ≥ 2.0
3. Cov Tshuaj Txhuam Hniav: Kev Tshawb Xyuas Tag Nrho Lub Neej
- ·Txias cia ntawm -40 ℃
- ·Kev ua kom sov li qub: 5 ℃ txhua 2 teev rau qhov kub hauv chav
- ·Kev sib xyaw centrifugal: 1200 rpm rau 180 vib nas this
- ·Kev kuaj xyuas viscosity: 850 ± 30 kcps
- ·Lub sijhawm qhib: ≤ 72h
- ·MES batch binding rau kev taug qab
4. Kev Ntxuav Stencil: Kev Lav Xias Tsis Muaj Cov Khoom Poob
| Hom Kev Ntxuav | Zaus | Txoj Kev Txheeb Xyuas |
|---|---|---|
| So Qhuav + Nqus Tsev | Txhua 5 PCBs | Kev Tshuaj Xyuas Microscope 50x |
| Kev Ntxuav Kom Huv Si | Txhua 30 feeb | Cov Khoom Noj Khoom Haus Gravimetric |
Cov Qauv Pov Tseg: Kev nruj 50,000 daim ntawv luam tawm
III. Tus nqi ntawm cov neeg siv khoom: Kev txhim kho zoo uas ntsuas tau
| Kev ntsuas | Ua ntej | Tom qab | Xwm txheej |
|---|---|---|---|
| Kev Ua Tau Zoo Tshaj Plaws | 82% | 99.1% | 0.4 hli suab QFN |
| Tus Nqi Tsis Zoo | 850 PPM | 62 PPM | Tsheb BGA (X-Ray) |
| Tus nqi ua haujlwm dua tshiab | $12k/hli | $0.8k/hli | Kab PCBA Kho Mob |
Rooj plaub: Lub ntsiab lus ntawm Smartwatch nrog 01005 qhov sib xyaw ua ke tau ua tiav xoom qhov tsis zoo ntawm lub pob solder los ntawm nano-coated stencil
IV. Kev Lag Luam Ciam Teb: Lub Caij Nyoog ntawm Kev Luam Ntawv Ntse
Daim Ntawv Qhia Txog Kev Siv Tshuab
- ·2024: Kev sim ua ob lub digital rau kev luam ntawv stencil
- ·2025: Adaptive AI squeegee system
- ·2026: Kev tswj hwm cov tshuaj nplaum molecular-level
Kev Nkag Siab Txog Kev Ua Haujlwm
"23.7% cov txiaj ntsig tau los ntawm kev txhim kho qhov tseeb ntawm cov khoom muab tshuaj los ntawm ±15% mus rau ±8% (SMTA 2023-PT-087).
Cov thev naus laus zis plaub-ncej txuas ntxiv qhov tsis zoo ntawm kev luam ntawv MTBA (Lub Sijhawm Nruab Nrab Ntawm Qhov Tsis Zoo) mus txog 1200 teev.
Cov ntaub ntawv siv los ua piv txwv
- 1. IPC-7525C "Cov Lus Qhia Txog Kev Tsim Stencil"
- 2.J-STD-005B "Cov Kev Cai rau Cov Tshuaj Nplaum Solder"
- 3. Daim Ntawv Dawb SMTA: "Cov Kev Ntsuas ntawm Kev Tso Cov Tshuaj Solder" (2023)
- 4.IEC 61191-3:2017 "Cov Rooj Sib Tham Luam Tawm - Ntu 3"
