# US 2014/0155675 A1 · Robust multilayer encapsulation and storage of atomic waste > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155675 A1 - Document ID: US20140155675A1 - Status: Published application - Kind: A1 - Application number: 14/119,870 - Filed: 2011-05-29 - Published: 2014-06-05 - Earliest claimed: 2011-05-26 - Inventors: Edward Murphy - Web page: https://patentgrep.com/patent/US20140155675A1 ## CPC - G21F 9/008: {Apparatus specially adapted for mixing or disposing radioactively contamined material (G21F9/305 and G21F9/308 take precedence)} - G21F 1/12: Laminated shielding materials - G21F 5/005: Containers for solid radioactive wastes, e.g. for ultimate disposal - G21F 9/16: by fixation in stable solid media {(G21F9/305 takes precedence)} - G21F 9/305: {Glass or glass like matrix (C03B5/005 takes precedence; compositional aspects C03C)} - G21F: PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR (radiation protection by pharmaceutical means A61K8/00, A61Q17/04; in cosmonautic vehicles B64G1/54; combined with a reactor G21C11/00; combined with X-ray tubes H01J35/16; combined with X-ray apparatus H05G1/02) ## Abstract The invention includes a radioactive waste containment system for containing a radioactive waste material. The radioactive waste containment system includes a radioactive waste containment system outermost exterior containment layer comprised of an exterior containment layer glass material having an exterior containment layer property. The radioactive waste containment system includes a radioactive waste containment system adjacent interior containment layer, the adjacent interior containment layer comprised of an adjacent interior containment layer glass material having an adjacent interior containment layer property, the radioactive waste containment system adjacent interior containment layer is fused with the radioactive waste containment system outermost exterior containment layer with the properties not equal wherein the fused adjacent interior containment layer and the radioactive waste containment system outermost exterior containment layer are in compression. ## Claims ### Claim 1 A radioactive waste containment system for containing a radioactive waste material, said radioactive waste containment system including a radioactive waste containment system outermost exterior containment layer comprised of an exterior containment layer glass material having an exterior containment layer property λE, a radioactive waste containment system adjacent interior containment layer, said adjacent interior containment layer comprised of an adjacent interior containment layer glass material having an adjacent interior containment layer property λ, said radioactive waste containment system adjacent interior containment layer fused with said radioactive waste containment system outermost exterior containment layer with λE≠λ wherein said fused adjacent interior containment layer and said radioactive waste containment system outermost exterior containment layer are in compression. ### Claim 2 (depends on 1) A radioactive waste containment system as claimed in claim 1 wherein said exterior containment layer property λE is a Coefficient of Thermal Expansion (CTE) of said exterior containment layer glass material, and said adjacent interior containment layer property λ is a Coefficient of Thermal Expansion (CTE) of said adjacent interior containment layer glass material with λE<λ. ### Claim 3 (depends on 2) A radioactive waste containment system as claimed in claim 2, said radioactive waste containment system including an innermost waste adjacent interior containment layer, said radioactive waste containment system innermost waste adjacent interior containment layer for containment of a radioactive waste material while said radioactive waste material is melted at a glass melting temperature. ### Claim 4 (depends on 2) A radioactive waste containment system as claimed in claim 2, said radioactive waste containment system including a containment system top lid, said containment system top lid comprised of a lid exterior containment layer and a lid adjacent interior containment layer. ### Claim 5 (depends on 4) A radioactive waste containment system as claimed in claim 4, said radioactive waste containment system outermost exterior containment layer includes a vertically oriented side wall, wherein said lid exterior containment layer is sealed to said vertically oriented side wall with a glass material. ### Claim 6 A method of making a radioactive waste containment system for containing a radioactive waste material, said method including the steps of: providing an adjacent interior containment layer glass material having an adjacent interior containment layer property λ, providing an outermost exterior containment layer glass material having an exterior containment layer property λE with λE≠λ, and orienting said outermost exterior containment layer glass material relatively external of said adjacent interior containment layer glass material to provide for containment of a radioactive waste isolated from a surrounding exterior environment. ### Claim 7 (depends on 6) A method as claimed in claim 6, wherein said exterior containment layer property λE is a Coefficient of Thermal Expansion (CTE) of said exterior containment layer glass material, and said adjacent interior containment layer property λ is a Coefficient of Thermal Expansion (CTE) of said adjacent interior containment layer glass material with λE<λ. ### Claim 8 (depends on 7) A method as claimed in claim 7 wherein said exterior containment layer glass material and said adjacent interior containment layer glass material are fused together to provide a radioactive waste containment system outermost exterior containment layer and an adjacent interior containment layer, with said radioactive waste containment system outermost exterior containment layer and said adjacent interior containment layer in compression. ### Claim 9 (depends on 6) A method as claimed in claim 6, including providing an innermost waste adjacent interior containment layer. ### Claim 10 (depends on 9) A method as claimed in claim 9, including providing a melted radioactive waste glass material at a radioactive waste glass material melting temperature, and disposing said melted radioactive waste glass material adjacent said innermost waste adjacent interior containment layer. ### Claim 11 A method as claimed in 10 including providing a containment system top lid, said containment system top lid comprised of a lid exterior containment layer and a lid adjacent interior containment layer. ### Claim 12 (depends on 11) A method as claimed in claim 11, wherein said outermost exterior containment layer includes a vertically oriented side wall, and said containment system top lid is disposed on top of said outermost exterior containment layer vertically oriented side wall. ### Claim 13 (depends on 12) A method as claimed in claim 12 including sealing said lid exterior containment layer to said outermost exterior containment layer vertically oriented side wall with a glass material. ### Claim 14 A method of containing a radioactive waste, said method including: providing a waste material, providing a interior containment layer glass material having an interior containment layer Coefficient of Thermal Expansion (CTE) property λ, providing an exterior containment layer glass material having an exterior containment layer property Coefficient of Thermal Expansion (CTE) property λE with λE<λ1 and orienting said exterior containment layer glass material relatively external of said interior containment layer glass material to provide an in compression interior containment layer and an in compression exterior containment layer wherein said waste material is isolated from a surrounding exterior environment by said in compression interior containment layer and said in compression exterior containment layer with said radioactive waste material proximate said in compression interior containment layer. ### Claim 15 (depends on 14) A method as claimed in claim 14 wherein said exterior containment layer glass material and said interior containment layer glass material are fused together. ### Claim 16 (depends on 15) A method as claimed in claim 15, wherein said waste material is disposed in contact with an innermost waste adjacent interior containment layer. ### Claim 17 (depends on 16) A method as claimed in claim 16, including providing a melted radioactive waste glass material at a radioactive waste glass material melting temperature, and disposing said melted radioactive waste glass material adjacent said innermost waste adjacent interior containment layer. ### Claim 18 A method as claimed in 14 including providing a containment system top lid, said containment system top lid comprised of a lid exterior containment layer and a lid adjacent interior containment layer. ### Claim 19 (depends on 18) A method as claimed in claim 18, wherein said exterior containment layer includes a vertically oriented side wall, and said containment system top lid is disposed on top of said outermost exterior containment layer vertically oriented side wall. ### Claim 20 (depends on 19) A method as claimed in claim 19 including sealing said lid exterior containment layer to said outermost exterior containment layer vertically oriented side wall with a glass material. ### Claim 21 A radioactive waste containment system, said radioactive waste containment system including a means for containing a radioactive waste material. ### Claim 22 (depends on 21) A system as claimed in claim 21 wherein said means for containing a radioactive waste material includes at least a first glass material layer in compression. ### Claim 23 (canceled) ### Claim 24 (canceled)