Paper base and noble metal composite card
The utility model discloses a paper base and noble metal composite card, it includes paper base and noble metal layer, the underrun ultrasonic vibration on noble metal layer with paper -based top surface pressfitting forms the interlock layer. Its beneficial effect lies in: the utility model provide...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model discloses a paper base and noble metal composite card, it includes paper base and noble metal layer, the underrun ultrasonic vibration on noble metal layer with paper -based top surface pressfitting forms the interlock layer. Its beneficial effect lies in: the utility model provides a pair of paper base and noble metal composite card, it makes firm the combining with the paper base of noble metal through simple structural design, is difficult to drop, and its faying face levels moreover, does not have obvious die joint, and the composite card that makes has good technology effect, and feel is strong. |
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