Claims
- 1. A method for attaching at least two disk substrates in a digital video disk said method comprises applying an epoxy resin, which initiates cationic polymerization upon irradiating, which comprises(A) at least one bisphenol epoxy resin; (B) at least one epoxy resin of the formula; where R is n is 1 to 4; (C) cationic polymerization catalyst; (D) optionally, ion exchanger; and (E) optionally, a filler. to at least one disk substrate and then irradiating the disk substrates.
Priority Claims (1)
Number |
Date |
Country |
Kind |
8-59555 |
Mar 1996 |
JP |
|
Parent Case Info
This is a divisional application of application Ser. No. 08/952,228, filed Feb. 12, 1998 now U.S. Pat. No. 6,121,339 issued Sep. 19, 2000 which is a 371 of PCT/JP97/00848 filed Mar. 17, 1997.
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