Method of manufacturing a thin glass membrane
First Claim
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1. A method of manufacturing a thin pH-responsive glass membrane, comprising the steps of:
- providing a glass ingot;
cutting the glass ingot to form a glass sheet of approximately a predetermined thickness;
adjusting the thickness of the glass sheet, if necessary, to the predetermined thickness;
heating the glass sheet to a temperature below its melting point;
applying additional heat energy to the heated glass sheet of an amount to uniformly melt only its surface, andsolidifying the melted surface to form the pH-responsive glass membrane.
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Abstract
A flat shaped composite electrode includes a flat substrate having a high electrical insulating property. A flat inside pair of electrodes and a flat outside pair of electrodes are fixed on the substrate. A flat support layer having a high electrical insulating property overlays the electrodes and substrate. The support layer describes two holes into which a gelatinized internal solution is placed. An ion response glass membrane is mounted on the support layer and over one hole, while a liquid junction membrane is similarly mounted over the other hole.
25 Citations
23 Claims
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1. A method of manufacturing a thin pH-responsive glass membrane, comprising the steps of:
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providing a glass ingot; cutting the glass ingot to form a glass sheet of approximately a predetermined thickness; adjusting the thickness of the glass sheet, if necessary, to the predetermined thickness; heating the glass sheet to a temperature below its melting point; applying additional heat energy to the heated glass sheet of an amount to uniformly melt only its surface, and solidifying the melted surface to form the pH-responsive glass membrane. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of manufacturing a thin pH-responsive glass membrane, comprising the steps of:
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providing a solid glass member of the desired glass composition; mechanically cutting the glass member to form a glass sheet; etching the glass sheet to an approximate thickness of 0.1 mm; heating the entire glass sheet to a temperature below its melting point to stabilize the glass sheet and prevent creaking in subsequent processing; heating at least one glass sheet surface to a temperature to melt only that surface for a short period of time, and solidifying the melted surface to form the pH-responsive glass membrane. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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Specification