C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
B—PERFORMING OPERATIONS; TRANSPORTING
B44—DECORATIVE ARTS
B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
B44B7/00—Machines, apparatus or hand tools for branding, e.g. using radiant energy such as laser beams
C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
C04B41/0036—Laser treatment
Landscapes
Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Structural Engineering (AREA)
Organic Chemistry (AREA)
Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Laser Beam Processing (AREA)
IL7956805A1979-04-061979-04-06Marking of gemstonesIL56805A0 (en)