O (12) Umted States Patent (10) Patent No.: US 8,154,881 B2 Jones (45) Date of Patent: Apr. 10, 2012 (54) RADIATION-SHIELDED SEMICONDUCTOR 5,689,135 A * 11/1997 Ball ............................ .. 257/676 ASSEMBLY 5,889,316 A * 3/1999 Strobeletal .. 257/659 5,898,220 A * 4/1999 Ball ............................ .. 257/723 6,124,633 A 9/2000 Vindasius et al. (75) Inventor. Roydn Jones, Redondo Beach, CA (US) 6,262,362 B1 ,. 7/2001 CZ]-akowski et al‘ """" “ 174/360 _ _ _ 6,452,253 B1* 9/2002 Tuttle ................. .. .. 257/659 (73) Ass1gnee: Telecommunication Systems, Inc., 6,515,352 B1 * 2/2003 Spielberger et al. .. 257/659 Annapolis, MD (US) 6,566,596 B1 * 5/2003 Askew .................... .. 174/391 6,583,432 B2 * 6/2003 Featherby et al. .. 250/515.1 * ~ . ~ ~ ~ - 6,596,937 B2* 7/2003 Mazurkiewicz .. 174/394 ( ) Not1ce. SUIJJBCT to any d1scla1mer, the term ofth1s 6,603,072 B1,, 8/2003 Foster et al‘ “ “ 174/536 Pawnt 15 extended Or adlusted under 35 6,720,493 131* 4/2004 Strobelet a1, ,,,,,,,,,,,,,,, ,, 174/335; U.S.C. 154(b) by 1043 days 6,858,795 B2 2/2005 Czjakowskietal. 7,078,243 B2 * 7/2006 Spielberger et al. ............ .. 438/3 QD AwrN6;nmwpm ZM&%4B2 uQm6smmmm1 7,191,516 B2 3/2007 Patterson <2» 3512385135 2/2227 ¥::i'.::::::::; _ _ _ 7,829,980 B2 * 11/2010 Molla et al. ................. .. 257/659 (65) Prl0rP11bll¢atl0I1Data 2003/0025180 A1* 2/2003 A1006 61211. ..... .. .. 257/659 2004/0056334 A1* 3/2004 Longden et al. .. 257/660 Us 2008/0112150A1 May 15’ 2008 2004/0071949 A1* 4/2004 Glatkowski et al. ..... .. 428/313.3 R l t dUs A l_ t_ D t 2005/0011656 A1* 1/2005 Patterson ........ .. 174/35R 6 3 6 - - PP IC3 10H 3 3 2005/0133916 A1* 6/2005 Karnezos 257/738 . . . . 2005/0184378 A1* 8/2005 S ak' ......................... .. 257/686 (60) I1’:1;o\é1(s2)o6na1 application No. 60/865,603, filed on Nov. 2005/0224952 A1 10/2005 Viilrsldalsius et 31‘ , - 2005/0230802 A1* 10/2005 Vindasius et al. .......... .. 257/686 2005/0269692 A1* 12/2005 Kwon et al. .... .. .. 257/723 (51) Int_C1_ 2006/0035408 A1* 2/2006 Derderian .. 438/106 2006/0172462 A1* 8/2006 Karnezos ........ .. .. 438/109 2006/0237823 A1 * 10/2006 Spielberger et al. .. 257/659 H01L 23/34 E200601; 2006/0244117 A1* 11/2006 Karnezos et al. ........... .. 257/678 (52) U.S. Cl. ....... .. 361/800; 361/816; 257/725; 257/728 “ted by exammer (58) Field of Classi;i5c;'/ggé s6e5a9rc26(')"'s"2'3 (7)/782156’ Primary Examiner * Timothy Thompson
Assistant Examiner * Sherman Ng
(74) Attorney, Agent, or Firm * William H. Bollman