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Tapes with precious metals laminated on base metals such as copper alloys. Multi-layer and multi-strip types are produced using our unique bonding techniques. These tapes provide considerable performance at low cost by using the minimum quantities of precious metals. Beryllium base tapes and filler metal clad materials are also provided to meet specifications. |
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Available in a wide range of thicknesses, from 0.5 μm to 50% of total thickness. |
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High bonding strength allows a high degree of bending. |
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We supply a long tape with high precision finish. |
 Dimensional Precision |
(mm) |
Total Plate
Thickness |
Tolerance |
Thickness |
Width |
<0.1 |
±0.005 |
±0.05 |
0.1 to <0.3 |
±0.01 |
±0.1 |
0.3to<0.8 |
±0.02 |
±0.15 |
0.8 to 1.5 |
±0.03 |
±0.2 |
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Cladding Thickness |
Tolerance |
<0.05 |
±0.01 |
0.05 to <0.1 |
±0.015 |
0.1 to <0.3 |
±0.02 |
0.3 to <0.5 |
±0.03 |
0.5 to 0.8 |
±0.05 |
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Cross-section of a multi-layer clad tape
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| Combination of Precious Metal and Base Material |
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BSR |
NSR
NSSR |
PBR
PBSR |
Cu-Ni |
Cu |
Stainless steel |
Au-Ag alloy |
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Au-Ag-Pt alloy |
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Au-Pd alloy |
--- |
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SP-1 |
--- |
--- |
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--- |
--- |
Ag-Pd alloy |
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Ag-Pd-Cu alloy |
--- |
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--- |
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Ag-Cu alloy |
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Ag-Cd alloy |
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--- |
Ag-Ni alloy |
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--- |
--- |
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Ag-CdO alloy |
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--- |
--- |
--- |
Ag |
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Au |
--- |
--- |
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| Manufacturing Range of Cladding Materials |
(mm) |
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Shape |
Total Thickness |
Total Width |
Cladding Width |
Cladding Thickness Ratio |
BSR |
I,O |
0.1~1.5 |
10~70 |
1.5~20 |
1/60~2/3 |
NSR
NSSR |
I,O |
0.05~1.0 |
10~70 |
1.5~20 |
1/60~2/3 |
PBR
PBSR |
I,O |
0.05~1.0 |
10~70 |
1.5~20 |
1/60~2/3 |
Cu-Ni30% |
I |
0.1~0.8 |
10~50 |
2.0~10 |
1/60~1/3 |
Cu |
I,O |
0.1~1.0 |
10~50 |
1.5~20 |
1/60~2/3 |
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Shape I = inlay type, O = overlay type |
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Total width of overlay type equals cladding width. |
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Use of Ag-CdO, Ag-Ni and Ag-Cu alloys require special considerations. |
Width Precision
(mm) |
Cladding Thickness |
Tolerances |
W1 |
W2 |
W0 |
| <0.05 |
±0.25 |
±0.25 |
±0.1 |
| 0.05 to <0.1 |
±0.25 |
±0.25 |
±0.15 |
| 0.1 to <0.3 |
±0.30 |
±0.30 |
±0.2 |
| 0.3 to <0.5 |
±0.30 |
±0.30 |
±0.2 |
| 0.5 to 0.8 |
±0.35 |
±0.35 |
±0.2 |
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Brushes and commutators for micro-motors, commutators for fuel injection pump motors, switches, relays, connectors, etc.
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