A planarizing pad for planarizing a microelectronic substrate, and a
method and apparatus for forming the planarizing pad. In one embodiment,
planarizing pad material is mixed with compressed gas to form a plurality
of discrete elements that are distributed on a film support material. The
film support material is supported by a liquid and is drawn from the
liquid with a backing layer. At least a portion of the discrete elements
are spaced apart from each other on the film support material to form a
textured surface for engaging a microelectronic substrate and removing
material from the microelectronic substrate. The discrete elements can be
uniformly or randomly distributed on the film support material.