Freeze-Drying Assembled Microstructure (IMAGE)

Optica

Freeze-Drying Assembled Microstructure

Caption

After using optoelectronic tweezers to assemble a line of solder beads (a), the researchers froze the liquid (b) and then reduced the pressure so that the frozen liquid turned directly from a solid into a gas, drying out the device (c). They then heated the beads to fuse them into an electrical connection.

Credit

Shuailong Zhang

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