| 摘要 |
PURPOSE: A printing method of portrait photos on a tombstone or an altar in front of the tomb is provided for descendants to find the grave easily. CONSTITUTION: The portrait photos are printed on the tombstone or the altar by the steps of: (i) mixing Sericol22 with a sensitive emulsion(B liquid) and stirring well for 30min; (ii) leaving in a photo darkroom for 3days; (iii) applying the sensitive emulsion on 120mesh of gauze and drying with a drier; (iv) making a film of the portrait after exposing the gauze in the sun and spraying water; and then (v) silk-screening the portrait photo on the stone and triple heat-treating at high temperature for 25-35min to increase resolution of the photo.
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