TWI771495B
A package (1) includes: a film (11) including a crystalline stretched oriented film; and a breaking portion (13) provided in the film (11) and including one or more non-oriented portions (21a) formed by heating a part of the crystalline stretched oriented film (21) at a temperature equal to or highe...
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Zusammenfassung: | A package (1) includes: a film (11) including a crystalline stretched oriented film; and a breaking portion (13) provided in the film (11) and including one or more non-oriented portions (21a) formed by heating a part of the crystalline stretched oriented film (21) at a temperature equal to or higher than a melting point of the crystalline stretched oriented film (21) and facing each other with an oriented portion (21b) of the crystalline stretched oriented film (21) interposed therebetween. |
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