Method for transferring functional regions, LED array, LED printer head, and LED printer
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United States of America Patent
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Apr 9, 2013
Grant Date -
Dec 22, 2011
app pub date -
Mar 1, 2010
filing date -
Mar 4, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a method for transferring, onto a second substrate, at least one of functional regions arranged and joined to a first separation layer that is disposed on a first substrate and that becomes separable by a treatment, in which regions on the second substrate where the functional regions are to be transferred have a second separation layer that becomes separable by a treatment. The method includes a step of joining the first substrate to the second substrate by bonding such that the functional regions contact the second separation layer; a step of separating the functional regions from the first substrate at the first separation layer; and a step of, before or after the step of separation, forming separation grooves penetrating through the second substrate and the second separation layer from a surface of the second substrate, the surface being opposite to a surface having the second separation layer thereon.
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