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QUANTIFOIL® with square holes

QUANTIFOIL® with square holes and relatively narrow bars can be used in electron microscopy to support a thin carbon film, which by itself is too fragile to span a grid square. The QUANTIFOIL® types with square holes constitute an optimum between a maximum of open area on the one hand, and mechanical stability on the other hand.

The table below gives an overview of the available QUANTIFOIL® types with square holes.

QUANTIFOIL® typeHole size in µmSpacing in µmPeriod in µm
S 7/272.09
S 35/535540
S 35/10351045