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公开(公告)号：JPH1051173A
公开(公告)日：1998-02-20
申请号：JP9543497
申请日：1997-04-14
Applicant: LUCENT TECHNOLOGIES INC
Inventor： DAHRINGER DONALD WILLIAM , HUBBAUER PHILIP , LAMBERT WILLIAM ROGER , LYONS ALAN MICHAEL , SHEPHERD LLOYD , WELD JOHN DAVID
Abstract: PROBLEM TO BE SOLVED: To provide an assembly of an electronic product having electromagnetic interference shielding capability. SOLUTION: A metallized flexible enclosure 50 is provided around an electronic product, such as, a printed circuit board, and the metallized flexible enclosure 50 is sealed in such a manner that an isolatable connector 20 may be easily accessed without deteriorating the completeness of sealing. Thus, an assembly is formed. The metallized flexible enclosure 50 has a plurality of polymeric material layers which provide diffusion barrier property, and a metal layer which provides diffusion barrier property and electromagnetic interference shielding capability. This multilayer sheet is so patterned as to optimize the diffusion barrier property and the electromagnetic interference shielding capability, thus enabling efficient mass production.
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公开(公告)号：JPH11171558A
公开(公告)日：1999-06-29
申请号：JP25283798
申请日：1998-09-07
Applicant: LUCENT TECHNOLOGIES INC
Inventor： FLEMING DEBRA A , HUBBAUER PHILIP , JOHNSON JR DAVID W , MACCHESNEY JOHN BURNETTE , STOCKERT THOMAS EDWARD , WALZ FREDERICK W JR
IPC: C03B8/02 , C03B19/12 , C03B20/00 , C03B37/012 , C04B35/14 , C04B35/624
Abstract: PROBLEM TO BE SOLVED: To provide a sol-gel method useful for production of both an overclad tube and a substrate tube. SOLUTION: A silica dispersion liquid incorporating a stabilizer is fed and a pH value of the silica dispersion liquid is made in a range of about 10.5-13.5, and a gelling agent is added to the silica dispersion liquid in order to induce a gelatification, and the gel obtained by the gelatification is extruded to form a material body, thus a silica material body is produced from the gel
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公开(公告)号：AU8706598A
公开(公告)日：1999-04-15
申请号：AU8706598
申请日：1998-09-24
Applicant: LUCENT TECHNOLOGIES INC
Inventor： FLEMING DEBRA ANNE , HUBBAUER PHILIP , JOHNSON DAVID WILFRED JR , MACCHESNEY JOHN BURNETTE , STOCKERT THOMAS EDWARD , WALZ FREDERICK W JR
IPC: C03B8/02 , C03B19/12 , C03B20/00 , C03B37/012 , C04B35/14 , C04B35/624 , C03B37/016 , B29D11/00
Abstract: The invention is a sol-gel extrusion process which allows fabrication of both thick and thin wall tubes. For example, the process is capable of preparing silica overcladding tubes in a manner easier than sol-gel casting processes, and also capable of preparing relatively thin substrate tubes, which are difficult to cast. According to the invention, a silica dispersion containing a stabilizing agent is provided, a gelling agent is added to the dispersion to induce gellation, and the resultant gel is extruded into a silica body, in the substantial absence, i.e. less than 0.5%wt., of polymeric material from the gel. Substantially avoiding the inclusion of such polymeric material in overcladding and substrate tubes offers significant commercial advantages by reducing the time and energy required to remove organic materials from the tube bodies, by reducing environmental impact and by reducing the amount of impurities introduced in the tubes.
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公开(公告)号：CA2200136A1
公开(公告)日：1997-10-17
申请号：CA2200136
申请日：1997-03-17
Applicant: LUCENT TECHNOLOGIES INC
Inventor： DAHRINGER DONALD WILLIAM , HUBBAUER PHILIP , LAMBERT WILLIAM ROGER , LYONS ALAN MICHAEL , SHEPHERD LLOYD , WELD JOHN DAVID
Abstract: An assembly for protecting the active electronic components of an electronic product from the environment and electromagnetic interference (EMI). A method is described where the assembly is formed by providing a metallized flexible enclosure around the electronic product, such as a printed circuit board, and subsequently sealing the metallized flexible enclosure, such that separable connectors can be readily accessed without violating the integrity of the seal. The metallized flexible enclosure includes multiple layers of polymeric materials that provide diffusion barrier properties and a metallic layer that provides both diffusion barrier properties and EMI shielding capabilities. The multiple layer sheet is patterned to optimize the diffusion barrier properties and EMI shielding capabilities. Further, the multiple layer sheet enables efficient, high volume production. Thus, electronic products can be provided with an assembly having an environment protection capability and EMI shielding capability amenable to reliable and cost effective high volume production.
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Patent Agency Ranking
公开(公告)号：DE69809167D1
公开(公告)日：2002-12-12
申请号：DE69809167
申请日：1998-09-08
Applicant: LUCENT TECHNOLOGIES INC
Inventor： FLEMING DEBRA ANNE , JOHNSON DAVID WILFRED JR , HUBBAUER PHILIP , MACCHESNEY JOHN BURNETTE , STOCKERT THOMAS EDWARD , WALZ FREDERICK W JR
IPC: C03B8/02 , C03B19/12 , C03B20/00 , C03B37/012 , C04B35/14 , C04B35/624
Abstract: The invention is a sol-gel extrusion process which allows fabrication of both thick and thin wall tubes. For example, the process is capable of preparing silica overcladding tubes in a manner easier than sol-gel casting processes, and also capable of preparing relatively thin substrate tubes, which are difficult to cast. According to the invention, a silica dispersion containing a stabilizing agent is provided, a gelling agent is added to the dispersion to induce gellation, and the resultant gel is extruded into a silica body, in the substantial absence, i.e. less than 0.5%wt., of polymeric material from the gel. Substantially avoiding the inclusion of such polymeric material in overcladding and substrate tubes offers significant commercial advantages by reducing the time and energy required to remove organic materials from the tube bodies, by reducing environmental impact and by reducing the amount of impurities introduced in the tubes.
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公开(公告)号：DE69809167T2
公开(公告)日：2003-07-24
申请号：DE69809167
申请日：1998-09-08
Applicant: LUCENT TECHNOLOGIES INC
Inventor： FLEMING DEBRA ANNE , JOHNSON DAVID WILFRED JR , HUBBAUER PHILIP , MACCHESNEY JOHN BURNETTE , STOCKERT THOMAS EDWARD , WALZ FREDERICK W JR
IPC: C03B8/02 , C03B19/12 , C03B20/00 , C03B37/012 , C04B35/14 , C04B35/624
Abstract: The invention is a sol-gel extrusion process which allows fabrication of both thick and thin wall tubes. For example, the process is capable of preparing silica overcladding tubes in a manner easier than sol-gel casting processes, and also capable of preparing relatively thin substrate tubes, which are difficult to cast. According to the invention, a silica dispersion containing a stabilizing agent is provided, a gelling agent is added to the dispersion to induce gellation, and the resultant gel is extruded into a silica body, in the substantial absence, i.e. less than 0.5%wt., of polymeric material from the gel. Substantially avoiding the inclusion of such polymeric material in overcladding and substrate tubes offers significant commercial advantages by reducing the time and energy required to remove organic materials from the tube bodies, by reducing environmental impact and by reducing the amount of impurities introduced in the tubes.
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公开(公告)号：CA2200136C
公开(公告)日：2001-06-05
申请号：CA2200136
申请日：1997-03-17
Applicant: LUCENT TECHNOLOGIES INC
Inventor： DAHRINGER DONALD WILLIAM , LYONS ALAN MICHAEL , HUBBAUER PHILIP , LAMBERT WILLIAM ROGER , SHEPHERD LLOYD , WELD JOHN DAVID
Abstract: An assembly for protecting the active electronic components of an electronic product from the environment and electromagnetic interference (EMI). A method is described where the assembly is formed by providing a metallized flexible enclosure around the electronic product, such as a printed circuit board, and subsequently sealing the metallized flexible enclosure, such that separable connectors can be readily accessed without violating the integrity of the seal. The metallized flexible enclosure includes multiple layers of polymeric materials that provide diffusion barrier properties and a metallic layer that provides both diffusion barrier properties and EMI shielding capabilities. The multiple layer sheet is patterned to optimize the diffusion barrier properties and EMI shielding capabilities. Further, the multiple layer sheet enables efficient, high volume production. Thus, electronic products can be provided with an assembly having an environment protection capability and EMI shielding capability amenable to reliable and cost effective high volume production.
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公开(公告)号：AU732988B2
公开(公告)日：2001-05-03
申请号：AU8706598
申请日：1998-09-24
Applicant: LUCENT TECHNOLOGIES INC
Inventor： FLEMING DEBRA ANNE , HUBBAUER PHILIP , JOHNSON DAVID WILFRED JR , MACCHESNEY JOHN BURNETTE , STOCKERT THOMAS EDWARD , WALZ FREDERICK W JR
IPC: C03B8/02 , C03B19/12 , C03B20/00 , C03B37/012 , C04B35/14 , C04B35/624 , C03B37/016 , B29D11/00
Abstract: The invention is a sol-gel extrusion process which allows fabrication of both thick and thin wall tubes. For example, the process is capable of preparing silica overcladding tubes in a manner easier than sol-gel casting processes, and also capable of preparing relatively thin substrate tubes, which are difficult to cast. According to the invention, a silica dispersion containing a stabilizing agent is provided, a gelling agent is added to the dispersion to induce gellation, and the resultant gel is extruded into a silica body, in the substantial absence, i.e. less than 0.5%wt., of polymeric material from the gel. Substantially avoiding the inclusion of such polymeric material in overcladding and substrate tubes offers significant commercial advantages by reducing the time and energy required to remove organic materials from the tube bodies, by reducing environmental impact and by reducing the amount of impurities introduced in the tubes.
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公开(公告)号：SG52954A1
公开(公告)日：1998-09-28
申请号：SG1997001175
申请日：1997-04-11
Applicant: LUCENT TECHNOLOGIES INC
Inventor： DAHRINGER DONALD WILLIAM , HUBBAUER PHILIP , LAMBERT WILLIAM ROGER , LYONS ALAN MICHAEL , SHEPHERD LLOYD , WELD JOHN DAVID
Abstract: An assembly for protecting the active electronic components of an electronic product from the environment and electromagnetic interference (EMI). A method is described where the assembly is formed by providing a metallized flexible enclosure around the electronic product, such as a printed circuit board, and subsequently sealing the metallized flexible enclosure, such that separable connectors can be readily accessed without violating the integrity of the seal. The metallized flexible enclosure includes multiple layers of polymeric materials that provide diffusion barrier properties and a metallic layer that provides both diffusion barrier properties and EMI shielding capabilities. The multiple layer sheet is patterned to optimize the diffusion barrier properties and EMI shielding capabilities. Further, the multiple layer sheet enables efficient, high volume production. Thus, electronic products can be provided with an assembly having an environment protection capability and EMI shielding capability amenable to reliable and cost effective high volume production.
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