Carbon Films Produced from Ionic Liquid Carbon Precursors
申请人:Dai Sheng
公开号:US20110229401A1
公开(公告)日:2011-09-22
The invention is directed to a method for producing a film of porous carbon, the method comprising carbonizing a film of an ionic liquid, wherein the ionic liquid has the general formula (X
+a
)
x
(Y
−b
)
y
, wherein the variables a and b are, independently, non-zero integers, and the subscript variables x and y are, independently, non-zero integers, such that a·x=b·y, and at least one of X
+
and Y
−
possesses at least one carbon-nitrogen unsaturated bond. The invention is also directed to a composition comprising a porous carbon film possessing a nitrogen content of at least 10 atom %.
THERMALLY DECOMPOSABLE POLYMER COMPOSITIONS FOR FORMING MICROELECTRONIC ASSEMBLIES
申请人:PROMERUS LLC
公开号:US20150299509A1
公开(公告)日:2015-10-22
Embodiments in accordance with the present invention relate generally to polymer compositions useful in the forming of microelectronic assemblies, and more specifically to such compositions that encompass a thermally decomposable polymer and that provide both tackiness and solder fluxing.
HIGH GLASS TRANSITION TEMPERATURE PHOTOIMAGEABLE POLYCARBONATE POLYMERS WITH PENDENT POLYCYCLIC FUNCTIONAL GROUPS
申请人:PROMERUS, LLC
公开号:US20150353679A1
公开(公告)日:2015-12-10
Embodiments in accordance with the present invention relate generally to polycarbonate polymers having repeat units derived from polycyclic-epoxide monomers and methods of using such polymers and compositions containing them, and more specifically to polymers and compositions of polycarbonates that encompass repeat units derived from norbornane and tetracyclododecane, and methods of using such compositions.
THERMALLY DECOMPOSABLE POLYMER COMPOSITIONS INCORPORATING THERMALLY ACTIVATED BASE GENERATORS
申请人:PROMERUS, LLC
公开号:US20150337081A1
公开(公告)日:2015-11-26
Embodiments in accordance with the present invention provide sacrifical polymer compositions and methods for fabricating electronic devices using such sacrifical polymer compositions where such methods include (1) providing a tacky sacrifical polymer composition that holds components in a desired alignment to one another, (2) providing solder fluxing for effecting electrical coupling; and (3) thermal decomposition or depolymerization of the sacrificial polymer composition to provide essentially residue free surfaces.