US Patent
Patent No. US 08794582
Published on Aug 5, 2014
Application No. 13/114953
Filed on May 24, 2011
Priority Date -
Inventor/Applicants
4Feng, Chen - Beijing, CN
Wang, Yu-Quan - Beijing, CN
Liu, Liang - Beijing, CN
Qian, Li - Beijing, CN
Classification
International:3
C04B 38/00
H01J 37/20;
C04B 111/00;
National:2
248/346.3
248/694;
Field of Search 7
248/346.1
248/309.1;
248/310;
250/440.11;
977/742;
977/842;
156/185;
Examiner
2McKinnon, Terrell
McNichols, Eret