发明名称 |
Composite sheet, method of preparing same, and thermosensitive recording adhesive label sheet having same |
摘要 |
A composite sheet including a paper layer made of a wood pulp having a Canadian standard freeness value of 350 to 500 ml and a transmittance of at least 7% for a light with a wavelength of 940 to 960 nm, a transparency improving layer provided over one side of the paper layer so that said paper layer overlaid with said transparency improving layer exhibits a transmittance of at least 11% for a light with a wavelength of 940 to 960 nm, and a release liner provided over an opposite surface of the transparency improving layer from the paper layer. A thermosensitive recording adhesive label sheet has the above composite sheet and a thermosensitive recording sheet provided on the composite sheet through an adhesive layer.
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申请公布号 |
US6670010(B2) |
申请公布日期 |
2003.12.30 |
申请号 |
US20020200181 |
申请日期 |
2002.07.23 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
NAGAMOTO MASANAKA;SATO MASAHIRO;AKIMOTO TAKESHI |
分类号 |
D21H19/82;D21H19/84;D21H21/26;D21H27/00;(IPC1-7):B32B29/06 |
主分类号 |
D21H19/82 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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