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公开(公告)号：AT147882T
公开(公告)日：1997-02-15
申请号：AT91918254
申请日：1991-09-26
Applicant: RAYCHEM CORP
Inventor： CHAN CHI-MING , FANG SHOU-MEAN
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公开(公告)号：CA1336370C
公开(公告)日：1995-07-25
申请号：CA594271
申请日：1989-03-21
Applicant: RAYCHEM CORP
Inventor： CHAN CHI-MING , CHAN RANDOLPH WINSTON , NYBERG DAVID DOLPH
Abstract: Permanent indicia can be applied to a surface consisting of a polymeric composition having a specific gravity less than about 1.35, and having a roughness average of at least about 2 .mu.m and an average peak width of less than about 200 .mu.m. The indicia are resistant to organic solvents, smearing and abrasion without a permatizing step. The surface can be, for example, the polymeric surface of a marker sleeve, preferably a heat-recoverable marker sleeve.
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公开(公告)号：DK228590D0
公开(公告)日：1990-09-21
申请号：DK228590
申请日：1990-09-21
Applicant: RAYCHEM CORP
Inventor： CHAN CHI-MING , CHAN RANDOLPH WINSTON , NYBERG DAVID DOLPH
Abstract: Permanent indicia can be applied to a surface consisting of a polymeric composition having a specific gravity less than about 1.35, and having a roughness average of at least about 2 mu m and an average peak width of less than about 200 mu m. The indicia are resistant to organic solvents, smearing and abrasion without a permatizing step. The surface can be, for example, the polymeric surface of a marker sleeve, preferably a heat-recoverable marker sleeve.
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公开(公告)号：DE69416128D1
公开(公告)日：1999-03-04
申请号：DE69416128
申请日：1994-06-27
Applicant: RAYCHEM CORP
Inventor： CHU EDWARD , BANICH ANN , IVES ROBERT , SUNSHINE STEVEN , CHAN CHI-MING
Abstract: A conductive polymer composition which has a resistivity of less than 10 ohm-cm and which exhibits PTC behavior comprises a polymeric component and a particulate conductive filler. The polymeric component comprises a first crystalline fluorinated polymer having a first melting point Tm1 and a second crystalline fluorinated polymer having a second melting point Tm2 which is from (Tm1+25) DEG C. to (Tm1+100) DEG C. The composition exhibits one of a number of characteristics, including a relatively high PTC anomaly. The composition is useful in circuit protection devices to be used at high ambient conditions.
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Patent Agency Ranking
公开(公告)号：DE68925357T2
公开(公告)日：1996-09-05
申请号：DE68925357
申请日：1989-03-21
Applicant: RAYCHEM CORP
Inventor： CHAN CHI-MING , CHAN RANDOLPH , NYBERG DAVID
Abstract: Permanent indicia can be applied to a surface consisting of a polymeric composition having a specific gravity less than about 1.35, and having a roughness average of at least about 2 mu m and an average peak width of less than about 200 mu m. The indicia are resistant to organic solvents, smearing and abrasion without a permatizing step. The surface can be, for example, the polymeric surface of a marker sleeve, preferably a heat-recoverable marker sleeve.
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公开(公告)号：DE68925357D1
公开(公告)日：1996-02-15
申请号：DE68925357
申请日：1989-03-21
Applicant: RAYCHEM CORP
Inventor： CHAN CHI-MING , CHAN RANDOLPH , NYBERG DAVID
Abstract: Permanent indicia can be applied to a surface consisting of a polymeric composition having a specific gravity less than about 1.35, and having a roughness average of at least about 2 mu m and an average peak width of less than about 200 mu m. The indicia are resistant to organic solvents, smearing and abrasion without a permatizing step. The surface can be, for example, the polymeric surface of a marker sleeve, preferably a heat-recoverable marker sleeve.
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公开(公告)号：DE3781096T2
公开(公告)日：1993-03-11
申请号：DE3781096
申请日：1987-09-29
Applicant: RAYCHEM CORP
Inventor： BARMA PRADEEP , CHAN CHI-MING
Abstract: A dish antenna (12) for receiving or transmitting signals, eg. via a satellite, is heated by means of radiant heat from electrical heater (2-5) located behind the antenna and spaced apart therefrom. This keeps the antenna free from ice and snow and minimizes distortion. The heater is preferably a self-regulating sheet heater comprising a PTC conductive polymer.
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公开(公告)号：DE3781096D1
公开(公告)日：1992-09-17
申请号：DE3781096
申请日：1987-09-29
Applicant: RAYCHEM CORP
Inventor： BARMA PRADEEP , CHAN CHI-MING
Abstract: A dish antenna (12) for receiving or transmitting signals, eg. via a satellite, is heated by means of radiant heat from electrical heater (2-5) located behind the antenna and spaced apart therefrom. This keeps the antenna free from ice and snow and minimizes distortion. The heater is preferably a self-regulating sheet heater comprising a PTC conductive polymer.
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公开(公告)号：GB2127519B
公开(公告)日：1986-12-31
申请号：GB8325896
申请日：1983-09-28
Applicant: RAYCHEM CORP
Inventor： MOLINARI ROBERT JAMES , CHANDLER DANIEL ALAN , CHAN CHI-MING
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