Tamper-respondent sensors with formed flexible layer(s)
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G06F-021/87
H05K-003/10
G06F-021/72
H05K-001/02
H05K-001/03
H05K-001/14
H05K-001/16
H05K-003/06
H05K-003/36
출원번호
US-0865551
(2015-09-25)
등록번호
US-10172239
(2019-01-01)
발명자
/ 주소
Dangler, John R.
Isaacs, Phillip Duane
Long, David C.
출원인 / 주소
INTERNATIONAL BUSINESS MACHINES CORPORATION
대리인 / 주소
Poltavets, Esq., Tihon
인용정보
피인용 횟수 :
0인용 특허 :
123
초록▼
Tamper-respondent electronic circuit structures, electronic assembly packages, and methods of fabrication are provided which include, at least in part, a tamper-respondent sensor. The tamper-respondent sensor includes one or more formed flexible layers of, for instance, a dielectric material, having
Tamper-respondent electronic circuit structures, electronic assembly packages, and methods of fabrication are provided which include, at least in part, a tamper-respondent sensor. The tamper-respondent sensor includes one or more formed flexible layers of, for instance, a dielectric material, having opposite first and second sides, and circuit lines defining at least one resistive network. The circuit lines are disposed on at least one of the first side or the second side of the formed flexible layer(s). The formed flexible layer(s) with the circuit lines includes curvatures, and the circuit lines overlie, at least in part, the curvatures of the formed flexible layer(s). In certain embodiments, the formed flexible layer(s) may be one or more corrugated layers or one or more flattened, folded layers.
대표청구항▼
1. A tamper-respondent assembly comprising: a tamper-respondent sensor, the tamper-respondent sensor comprising:at least one formed flexible layer having opposite first and second sides with surface curvatures extending from the opposite first and second sides of the at least one formed flexible lay
1. A tamper-respondent assembly comprising: a tamper-respondent sensor, the tamper-respondent sensor comprising:at least one formed flexible layer having opposite first and second sides with surface curvatures extending from the opposite first and second sides of the at least one formed flexible layer: andcircuit lines forming at least one resistive network, the circuit lines being disposed on at least one of the first side or the second side of the at least one formed flexible layer, the circuit lines wrapping over, at least in part, the surface curvatures extending from the at least one first side or second side of the at least one formed flexible layer,wherein the at least one formed flexible layer is collapsed as a flattened, folded layer. 2. The tamper-respondent assembly of claim 1, wherein the at least one formed flexible layer with the circuit lines comprises at least one corrugated layer of flexible dielectric. 3. The tamper-respondent assembly of claim 2, wherein the tamper-respondent sensor further comprises at least one other flexible layer with circuit lines forming at least one other resistive network, the at least one other flexible layer and the at least one corrugated layer of flexible dielectric defining, at least in part, a stack of layers. 4. The tamper-respondent assembly of claim 1, wherein the at least one formed flexible layer is collapsed as at least one flattened, folded layer with the circuit lines. 5. The tamper-respondent assembly of claim 4, wherein a transverse cross-section of a flattened, folded layer of the at least one flattened, folded layer intersects vertically multiple times a common surface of the flattened, folded layer with the circuit lines forming the at least one resistive network. 6. The tamper-respondent assembly of claim 4, wherein the tamper-respondent sensor comprises a stack of layers, the at least one flattened, folded layer being at least one layer of the stack of layers, and wherein the stack of layers further comprises at least one other layer overlying at least one side of the at least one flattened, folded layer. 7. The tamper-respondent assembly of claim 6, wherein the at least one other layer of the stack of layers comprises at least one other flexible layer overlying at least one side of the at least one flattened, folded layer. 8. The tamper-respondent assembly of claim 6, wherein the at least one other layer of the stack of layers comprises at least one breakable layer overlying at least one side of the at least one flattened, folded layer. 9. The tamper-respondent assembly of claim 4, wherein the tamper-respondent sensor comprises a stack of layers, the stack of layers comprising multiple formed flexible layers, each with circuit lines forming at least one respective resistive network disposed on at least one of the first side or the second side thereof, the at least one formed flexible layer being at least one formed flexible layer of the multiple formed flexible layers. 10. A tamper-respondent assembly comprising: a tamper-respondent sensor, the tamper-respondent sensor comprising: at least one formed flexible layer having opposite first and second sides;circuit lines forming at least one resistive network, the circuit lines being disposed on at least one of the first side or the second side of the at least one formed flexible layer; andwherein the at least one formed flexible layer with the circuit lines comprises curvatures, and the circuit lines overlie, at least in part, the curvatures of the at least one formed flexible layer; andwherein the tamper-respondent sensor comprises multiple formed flexible layers, each having opposite first and second sides, and circuit lines forming at least one resistive network disposed on at least one of the first side or the second side thereof, the at least one formed flexible layer being at least one formed flexible layer of the multiple formed flexible layers, and wherein the multiple formed flexible layers are separate, discrete formed flexible layers positioned, at least in part, around an electronic assembly enclosure to be secured, at least two formed flexible layers of the multiple formed flexible layers overlapping where adjoining along the electronic assembly enclosure. 11. The tamper-respondent assembly of claim 10, wherein the multiple flexible formed layers comprise multiple flattened, folded layers, each with respective circuit lines forming least one respective resistive network. 12. The tamper-respondent assembly of claim 1, further comprising an electronic enclosure mounted to a multilayer circuit board, and the multilayer circuit board comprising an embedded tamper-respondent sensor within the multilayer circuit board, the tamper-respondent sensor and the embedded tamper-respondent sensor together defining a secure volume between the electronic enclosure and the multilayer circuit board. 13. The tamper-respondent assembly of claim 12, wherein the at least one formed flexible layer with the circuit lines is secured to an inside surface of the electronic enclosure. 14. An electronic assembly package comprising: an electronic assembly;an electronic assembly enclosure surrounding, at least in part, the electronic assembly; anda tamper-respondent electronic circuit structure associated with the electronic assembly enclosure, the tamper-respondent electronic circuit structure comprising:a tamper-respondent sensor, the tamper-respondent sensor comprising:at least one formed flexible layer having opposite first and second sides with surface curvatures extending from the opposite first and second sides of the at least one formed flexible layer: andcircuit lines forming at least one resistive network, the circuit lines being disposed on at least one of the first side or the second side of the at least one formed flexible layer, the circuit lines wrapping over, at least in part, the surface curvatures extending from the at least one first side or second side of the at least one formed flexible layer,wherein the at least one formed flexible layer is collapsed as a flattened, folded layer. 15. The electronic assembly package of claim 14, wherein the at least one formed flexible layer with the circuit lines comprises at least one corrugated layer of the flexible dielectric. 16. The electronic assembly package of claim 14, wherein the at least one formed flexible layer is collapsed as at least one flattened, folded layer with the circuit lines. 17. The electronic assembly package of claim 16, wherein the tamper-respondent sensor comprises a stack of layers, the at least one flattened, folded layer being at least one layer of the stack of layers, and wherein the stack of layers further comprises at least one other layer overlying at least one side of the at least one flattened, folded layer with circuit lines. 18. The electronic assembly package of claim 14, wherein the tamper-respondent sensor comprises multiple formed flexible layers, each having opposite first and second sides, and circuit lines forming at least one resistive network disposed on at least one of the first side or the second side thereof, the at least one formed flexible layer being at least one formed flexible layer of the multiple formed flexible layers, and wherein the multiple formed flexible layers are separate, discrete formed flexible layers positioned, at least in part, around the electronic assembly enclosure, at least two formed flexible layers of the multiple formed flexible layers overlapping where adjoining along the electronic assembly enclosure. 19. The electronic assembly package of claim 14, wherein the electronic assembly enclosure mounts to a multilayer circuit board, and wherein the tamper-respondent electronic circuit structure further comprises an embedded tamper-respondent sensor within the multilayer circuit board, the tamper-respondent sensor and the embedded tamper-respondent sensor together defining a secure volume between the electronic assembly enclosure and the multilayer circuit board.
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