Enclosure with inner tamper-respondent sensor(s) and physical security element(s)
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H05K-013/00
H05K-005/02
H05K-003/10
출원번호
US-0835585
(2017-12-08)
등록번호
US-10178818
(2019-01-08)
발명자
/ 주소
Fisher, Michael J.
Long, David C.
Peets, Michael T.
Weiss, Thomas
출원인 / 주소
INTERNATIONAL BUSINESS MACHINES CORPORATION
대리인 / 주소
Poltavets, Esq., Tihon
인용정보
피인용 횟수 :
0인용 특허 :
131
초록▼
Methods of fabricating tamper-respondent assemblies are provided which include an electronic enclosure, a tamper-respondent electronic circuit structure, and at least one security element. The electronic enclosure encloses, at least in part, at least one electronic component to be protected, and inc
Methods of fabricating tamper-respondent assemblies are provided which include an electronic enclosure, a tamper-respondent electronic circuit structure, and at least one security element. The electronic enclosure encloses, at least in part, at least one electronic component to be protected, and includes an inner surface. The tamper-respondent electronic circuit structure includes a tamper-respondent sensor covering, at least in part, the inner surface of the electronic enclosure, and the at least one security element overlies and physically secures in place, at least in part, the tamper-respondent sensor covering, at least in part, the inner surface of the electronic enclosure. In enhanced embodiments, the electronic enclosure is secured to a multilayer circuit board which includes an embedded tamper-respondent sensor, and together, the tamper-respondent sensor covering the inner surface of the electronic enclosure and the embedded tamper-respondent sensor within the multilayer circuit board define a secure volume about the electronic component(s).
대표청구항▼
1. A tamper-respondent assembly comprising: a circuit board having a main surface with at least one electronic component to be protected mounted on the main surface of the circuit board;an electronic enclosure mounted to the main surface of the circuit board to enclose, at least in part, the at leas
1. A tamper-respondent assembly comprising: a circuit board having a main surface with at least one electronic component to be protected mounted on the main surface of the circuit board;an electronic enclosure mounted to the main surface of the circuit board to enclose, at least in part, the at least one electronic component to be protected, the electronic enclosure comprising an inner surface;a tamper-respondent electronic circuit structure comprising a tamper-respondent sensor coupled to the inner surface of the electronic enclosure, the tamper-respondent sensor comprising at least one flexible layer with tamper-detect circuit lines, the at least one flexible layer being adhesively attached to and covering, at least in part, the inner surface of the electronic enclosure and defining, at least in part, a secure volume about the at least one electronic component; andat least one security element disposed within the secure volume overlying and physically securing in place, at least in part, the tamper-respondent sensor, with the at least one flexible layer with tamper-detect circuit lines covering, at least in part, the inner surface of the electronic enclosure, wherein the tamper-respondent sensor is positioned, at least in part, between the inner surface of the electronic enclosure and the at least one security element. 2. The tamper-respondent assembly of claim 1, wherein the at least one security element comprises at least one metal security element. 3. The tamper-respondent assembly of claim 2, wherein the at least one metal security element is grounded. 4. The tamper-respondent assembly of claim 1, wherein the at least one security element defines a security band which extends, at least in part, around an inner perimeter of the electronic enclosure. 5. The tamper-respondent assembly of claim 4, wherein the tamper-respondent assembly comprises multiple, distinct security elements, with adjacent security elements of the multiple, distinct security elements being spaced apart with a gap therebetween, the security band being defined by the multiple, distinct security elements, and the at least one security element being at least one security element of the multiple, distinct security elements. 6. The tamper-respondent assembly of claim 1, wherein the inner surface of the electronic enclosure comprises an inner main surface and an inner sidewall surface, and the security element overlies and physically secures in place the tamper-respondent sensor over, at least in part, the inner main surface or the inner sidewall surface of the electronic enclosure. 7. The tamper-respondent assembly of claim 6, wherein the tamper-respondent sensor is an inner-sidewall tamper-respondent sensor disposed over the inner sidewall surface of the electronic enclosure, and the tamper-respondent electronic circuit structure further comprises an inner main surface tamper-respondent sensor disposed, at least in part, over the inner main surface of the electronic enclosure, the inner-sidewall tamper-respondent sensor and the inner main surface tamper-respondent sensor being discrete, tamper-respondent sensors that overlap, at least in part, and facilitate defining a secure volume about the at least one electronic component to be protected. 8. The tamper-respondent assembly of claim 7, wherein the at least one security element overlies and secures in place the overlap of the inner-sidewall tamper-respondent sensor and the inner main surface tamper-respondent sensor. 9. The tamper-respondent assembly of claim 8, wherein the inner sidewall surface includes at least one inner-sidewall corner, and the at least one security element overlies and physically secures in place the overlap of the inner-sidewall tamper-respondent sensor and the inner main surface tamper-respondent sensor at the at least one inner-sidewall corner of the electronic enclosure. 10. The tamper-respondent assembly of claim 9, wherein the inner main surface tamper-respondent sensor comprises multiple corner tabs projecting therefrom, the multiple corner tabs overlying, at least in part, the at least one inner-sidewall corner of the electronic enclosure, and the at least one security element overlies and physically secures in place the multiple corner tabs projecting from the inner main surface tamper-respondent sensor at the at least one inner-sidewall corner of the electronic enclosure. 11. The tamper-respondent assembly of claim 8, wherein: the inner-sidewall tamper-respondent sensor comprises: at least one first flexible layer having opposite first and second sides; andfirst circuit lines forming at least one first tamper-detect network, the first circuit lines being disposed on at least one of the first side or the second side of the at least one first flexible layer; andthe inner main surface tamper-respondent sensor comprises: at least one second flexible layer having opposite first and second sides; andsecond circuit lines forming at least one second tamper-detect network, the second circuit lines being disposed on at least one of the first side or the second side of the at least one second flexible layer. 12. A tamper-respondent assembly comprising: an electronic assembly comprising a circuit board and at least one electronic component to be protected mounted to a main surface of the circuit board;an electronic enclosure mounted to the main surface of the circuit board to enclose, at least in part, the electronic assembly, the electronic enclosure comprising an inner surface;a tamper-respondent electronic circuit structure comprising a tamper-respondent sensor coupled to the inner surface of the electronic enclosure, the tamper-respondent sensor comprising at least one flexible layer with tamper-detect circuit lines, the at least one flexible layer being adhesively attached to and covering, at least in part, the inner surface of the electronic enclosure defining, at least in part, a secure volume about the electronic assembly; andat least one security element disposed within the secure volume overlying and physically securing in place, at least in part, the tamper-respondent sensor, with the at least one flexible layer with tamper-detect circuit lines covering, at least in part, the inner surface of the electronic enclosure, wherein the tamper-respondent sensor is positioned, at least in part, between the inner surface of the electronic enclosure and the at least one security element. 13. The tamper-respondent assembly of claim 12, wherein the circuit board is a multilayer circuit board, and the tamper-respondent assembly further comprises: an embedded tamper-respondent sensor disposed within the multilayer circuit board; andwherein the tamper-respondent sensor covering, at least in part, the inner surface of the electronic enclosure, and the embedded tamper-respondent sensor within the multilayer circuit board define the secure volume about the electronic assembly. 14. The tamper-respondent assembly of claim 13, wherein the at least one security element comprises at least one metal security element. 15. The tamper-respondent assembly of claim 13, wherein the at least one security element defines a security band which extends, at least in part, around an inner perimeter of the electronic enclosure. 16. The tamper-respondent assembly of claim 15, wherein the tamper-respondent assembly comprises multiple, distinct security elements, with adjacent security elements of the multiple, distinct security elements being spaced apart, with a gap therebetween, the security band being defined by the multiple, distinct security elements, and the at least one security element being at least one security element of the multiple, distinct security elements. 17. The tamper-respondent assembly of claim 13, wherein the tamper-respondent sensor is an inner-sidewall tamper-respondent sensor disposed over the inner sidewall surface of the electronic enclosure, and the tamper-respondent electronic circuit structure further comprises an inner main surface tamper-respondent sensor disposed, at least in part, over the inner main surface of the electronic enclosure, the inner-sidewall tamper-respondent sensor and the inner main surface tamper-respondent sensor being discrete, tamper-respondent sensors that overlap, at least in part, and facilitate defining the secure volume within which the electronic assembly is disposed, and wherein the at least one security element overlies and secures in place the overlap of the inner-sidewall tamper-respondent sensor and the inner main surface tamper-respondent sensor. 18. The tamper-respondent assembly of claim 17, wherein the inner sidewall surface includes at least one inner-sidewall corner, and the at least one security element overlies and physically secures in place the overlap of the inner-sidewall tamper-respondent sensor and the inner main surface tamper-respondent sensor at the at least one inner-sidewall corner of the electronic enclosure. 19. The tamper-respondent assembly of claim 18, wherein the inner main surface tamper-respondent sensor comprises multiple corner tabs projecting therefrom, the multiple corner tabs overlying, at least in part, the at least one inner-sidewall corner of the electronic enclosure, and the at least one security element overlies and physically secures in place the multiple corner tabs projecting from the inner main surface of the tamper-respondent sensor at the at least one inner-sidewall corner of the electronic enclosure. 20. A fabrication method comprising: fabricating a tamper-respondent assembly, the fabricating comprising: providing a circuit board having a main surface with at least one electronic component to be protected mounted on the main surface of the circuit board;providing an electronic enclosure mounted to the main surface of the circuit board to, at least in part, enclose the at least one electronic component to be protected, the electronic enclosure comprising an inner surface;providing a tamper-respondent electronic circuit structure comprising a tamper-respondent sensor coupled to the inner surface of the electronic enclosure, the tamper-respondent sensor comprising at least one flexible layer with tamper-detect circuit lines, the at least one flexible layer being adhesively attached to and covering, at least in part, the inner surface of the electronic enclosure and defining, at least in part, a secure volume about the at least one electronic component; andproviding at least one security element disposed within the secure volume overlying and physically securing in place, at least in part, the tamper-respondent sensor; with the at least one flexible layer with the tamper-detect circuit lines covering, at least in part, the inner surface of the electronic enclosure, wherein the tamper-respondent sensor is positioned, at least in part, between the inner surface of the electronic enclosure and the at least one security element.
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