Stock material or miscellaneous articles – Two dimensionally sectional layer – Next to unitary web or sheet of equal or greater extent
Reexamination Certificate
2005-11-29
2005-11-29
Xu, Ling (Department: 1775)
Stock material or miscellaneous articles
Two dimensionally sectional layer
Next to unitary web or sheet of equal or greater extent
C428S046000, C428S076000, C428S121000, C428S293400, C428S375000, C428S378000, C428S701000, C428S702000, C428S428000, C428S697000, C428S699000, C427S180000, C427S181000, C427S202000, C427S203000, C427S205000, C427S206000, C427S314000, C427S376300, C427S376200, C442S178000, C244S158700, C501S035000, C501S053000, C501S133000
Reexamination Certificate
active
06969546
ABSTRACT:
A ceramic tile includes a ceramic core material and an oxide ceramic matrix composite (CMC), where the ceramic core material has at least one surface covered by the oxide CMC. The oxide CMC includes a ceramic fiber, with a cured metal oxide ceramic material impregnating the ceramic fiber. An exemplary embodiment of the ceramic tile provided as part of the invention further includes a tough low temperature cure coating (TLTC) which infiltrates the ceramic core surface before it is covered by the oxide CMC. The TLTC includes a cured ceramic powder together with a binder. The metal oxide ceramic material impregnating the ceramic fiber, and the TLTC are co-cured, meaning that neither is cured when the CMC is wrapped around a surface of the TLTC-infiltrated ceramic core, and a curing step is performed on both uncured ceramic materials at the same time.
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Ingrassia Fisher & Lorenz P.C.
The Boeing Company
Xu Ling
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