Wafer bonding
Wafer bonding services
Wafer bonding is an essential process in MEMS device fabrication.
We offer metal hybrid bonding (fusion bonding) by carrying out all steps from CMP to dicing.
We meet customers’ requirement by having various methods of bonding.

SUSS wafer bonder
(Model : SB8e)

Left : Plasma activation unit (Model : PL12)
Right : Aligne

Acoustic microscope
(Model : SONOSCAN)
Equipment specification
Name of equipment | SB8e |
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Heating | <500℃ |
Loading | <20KN |
Vacuum | 5x10-5 mbar |
Substrate size | Chip-size to φ8” |
Alignment tolerance | ±1µm |
Bonding methods
Direct bonding
- Low temp plasma activation (Fusion bonding) Atmosphere to vacuum, 100 to 300℃
- Normal temperature bonding (Surface activated bonding) High vacuum Normal temperature
With adhesion layer
- Eutectic bonding (Solder bonding) : AuSn(290℃), AuSi(390℃), AuGe(430℃)
- Metal diffusion bonding : Au-Au(300℃), Al-Al(400℃), Cu-Cu(350℃)
- Glass flit bonding : Pb free (450℃)
- Adhesive bonding, Resin bonding : BCB(250℃), Polyimide(300℃), Epoxy(160℃), Silicone(200℃)
Resin bonding

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製品分類1 | Deposition, Photolithography, Etching|CMP processing |
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製品分類2 | Bonding |
プロセス分類 |
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説明文 |
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