摘要:
The invention relates to an air-exhausting leer for laminated glass sheets, comprising a tunnel-like leer (1), a conveyor (2), including elements (2a) for carrying laminated glass sheets in a substantially upright position through the leer (1), and air circulation ducts (3), having fans (4) and heating elements (5) associated therewith for blasting heated air between the laminated glass sheets presently on the conveyor (2) within the leer (1). The leer (1) has its sides provided with movable walls (8) for adjusting the leer width to match a given glass size. This results in an enhanced passage of air between glass sheets regardless of variations in glass size.
摘要:
A method includes heating a glass preform having a plurality of glass layers and drawing the glass preform in a distal direction to form a drawn glass sheet extending distally from the glass preform and having the plurality of glass layers. The drawn glass sheet is thinner than the glass preform. The drawn glass sheet can be rolled onto a collection spool. At least a portion of a glass layer can be removed from the drawn glass sheet. An exemplary glass sheet includes a first glass layer, a second glass layer adjacent to the first glass layer, and a thickness of at most about 0.1 mm. An exemplary ion exchanged glass sheet includes a thickness of at most about 0.1 mm and a surface layer that is under a compressive stress and extends into an interior of the glass sheet to a depth of layer.
摘要:
A strengthened glass sheet product along with a process and an apparatus for strengthening a glass sheet are provided. The process comprises cooling the glass sheet by non-contact thermal conduction for sufficiently long to fix a surface compression and central tension of the sheet. The process results in thermally strengthened glass sheets having improved breakage properties.
摘要:
A thermal edge-finishing process includes pre-heating an edge of a glass sheet, focused heating inboard of the edge to cause thermal tensioning, laser finishing the edge, and localized annealing of the edge. By stress cancellation, the thermal energy added by a laser edge-finishing operation does not result in as much residual stress. By the present process, residual stress is reduced to below 3000 psi, and more preferably to about 1000 psi, and as low as 600 psi in the first 1 mm along the treated edge.
摘要:
A method includes heating a glass preform having a plurality of glass layers and drawing the glass preform in a distal direction to form a drawn glass sheet extending distally from the glass preform and having the plurality of glass layers. The drawn glass sheet is thinner than the glass preform. The drawn glass sheet can be rolled onto a collection spool. At least a portion of a glass layer can be removed from the drawn glass sheet. An exemplary glass sheet includes a first glass layer, a second glass layer adjacent to the first glass layer, and a thickness of at most about 0.1 mm. An exemplary ion exchanged glass sheet includes a thickness of at most about 0.1 mm and a surface layer that is under a compressive stress and extends into an interior of the glass sheet to a depth of layer.
摘要:
A substrate manufacturing method capable of easily obtaining a thin magnesium oxide single crystal substrate is provided. A first step is performed which disposes a condenser (14) for condensing a laser beam (B) on an irradiated surface (20r) of a magnesium oxide single crystal member (20) in a non-contact manner. A second step is performed which forms processing mark lines in parallel by irradiating the laser beam (B) to the surface (20r) of the single crystal substrate (20) under designated irradiation conditions to condense the laser beam (B) into an inner portion of the single crystal substrate (20) while moving the condenser (14) and the single crystal substrate (20) relative to each other in a two-dimensional manner. A third step is performed which forms new processing mark lines between the adjacent irradiation lines in the second step to allow planar separation, by irradiating the laser beam (B) to the surface (20r) of the single crystal substrate (20) under designated irradiation conditions to condense the laser beam (B) into an inner portion of the single crystal substrate (20) while moving the condenser (14) and the single crystal substrate (20) relative to each other in a two-dimensional manner.