METHOD OF CUTTING GLASS MEMBER AND GLASS SUB-MEMBER

• Main Authors: NATTERMANN KURT, DAVID SOHR, CLEMENS KUNISCH
• Format: Patent
• Language: English; Japanese
• Published: 16.09.2021
• Subjects: CHEMISTRY; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; GLASS; MACHINE TOOLS; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; MINERAL OR SLAG WOOL; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WELDING; WORKING BY LASER BEAM

To provide a method of cutting at least partially a glass member into at least two glass sub-members along a cutting plane, and a glass sub-member which is manufactured and/or can be manufactured by a method which is based upon the present invention.SOLUTION: The present invention relates to a method of cutting a glass member 11 into at least two glass portions along a cutting plane, and the method includes the steps of: preparing the glass member 11; controlling one linear focus in a glass body 13 so that a tensile stress zone 17 and/or at least two compressive stress zones 19 are formed in a glass material; introducing initial damage for forming a crack in the glass member in the tensile stress zone 17 and/or between the two compressive stress zones 19; and developing the crack in the glass material to form the cutting plane, and cutting the glass member 11 along the cutting plane.SELECTED DRAWING: Figure 2 【課題】ガラス部材を切断面に沿って少なくとも２つのガラス部分部材に、少なくとも部分的に切断する方法、および本発明に基づく方法により製造されたかつ／または製造可能なガラス部分部材を提供する。【解決手段】ガラス部材１１を切断面に沿って少なくとも２つのガラス部分に切断する方法であって、前記ガラス部材１１を準備するステップ；ガラス材料内に引張り応力ゾーン１７および／または少なくとも２つの圧縮応力ゾーン１９が形成されるように、ガラス体１３内に１つの線状焦点を制御するステップ；前記引張り応力ゾーン１７および／または前記２つの圧縮応力ゾーン１９間の前記ガラス材料に、亀裂を形成するための初期損傷をもたらすステップ；前記ガラス材料内で前記亀裂を進行させて前記切断面を形成し、該切断面に沿って前記ガラス部材１１を切断するステップを含む、方法である。【選択図】図２