But Dr Bruel found that if a hydrogen-treated wafer is first fused to another wafer that has been given a glass coating, the force of the gas bubbles will instead cause a thin silicon film to peel off the one and on to the other.

ECONOMIST: Chip technology

Tapio Wirkkala's wafer-thin laminated wood bowls and fluid, flaring glass, and the objects of art and manufacture of Timo Sarpaneva, Kaj Franck and other Finnish architects and artisans prove once again that the intrinsic quality of materials reduced to their most basic, sensuous essence, shaped by the creative imagination of an artist, beats all the kitsch in the world.

WSJ: Finnish Master Alvar Aalto | By Ada Louise Huxtable

This method allows better control of the thicknesses of the silicon and glass layers, but the etching is time-consuming and requires the costly sacrifice of a wafer for each one that is made.

ECONOMIST: Chip technology