Title:
METHOD FOR MANUFACTURING MOLD
Document Type and Number:
Japanese Patent JP3925696
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for manufacturing a mold which can lead a standard surface precisely when the mold is manufactured by using electrocasting.
SOLUTION: Even when the mold 4' is formed by electrocasting since the pattern of a diffraction circle zone is formed on the optical transfer surface 4a' of the mold 4', the position of its optical axis can be led out precisely, and the peripheral surface, etc., of the slide member 5 of a movable core 10 can be formed precisely corresponding to it to the optical axis of the optical transfer surface 4a'.
Inventors:
Akanebe Yuichi
Kazuzo Furuta
Masahiro Morikawa
Osamu Masuda
Kazuzo Furuta
Masahiro Morikawa
Osamu Masuda
Application Number:
JP2001339169A
Publication Date:
June 06, 2007
Filing Date:
November 05, 2001
Export Citation:
Assignee:
Konica Minolta Holdings Co., Ltd.
International Classes:
B29C33/38; C03B11/00; C25D1/00; B29L11/00; (IPC1-7): B29C33/38; //B29L11:00
Domestic Patent References:
| JP59123628A | ||||
| JP5200755A | ||||
| JP4218689A | ||||
| JP56161113A | ||||
| JP53033257A | ||||
| JP10244560A | ||||
| JP1257142A | ||||
| JP2001033611A | ||||
| JP8276470A | ||||
| JP5116155A | ||||
| JP5245708A | ||||
| JP3169606A | ||||
| JP10286832A | ||||
| JP2001038739A | ||||
| JP8276437A | ||||
| JP51116123A |
Attorney, Agent or Firm:
Keijiro Tamura
Kenichi Kobayashi
Kenichi Kobayashi