FIELD: chemistry.
SUBSTANCE: method for chemical etching of tubes made from quartz glass relates to fibre optics, particularly the technology of producing fibre-optic guides modified by chemical vapour deposition. The invention solves the task of reducing the variation of thickness of support quartz tubes. The technical result is achieved by etching tubes in a solution of concentrated hydrofluoric acid and then washing the tubes in distilled water. During etching, the tubes are placed horizontally with the thick wall to the bottom of the reactor. Acid is poured to a level preferably equal to 1/2 of the diameter of the tube and then uniformly drained. The time of contact between the tube and the acid during draining is equal to the ratio of the value of the variation of thickness to twice the rate of etching of the quartz glass.
EFFECT: method enables to reduce variation of thickness of the tubes multifold.
3 dwg, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF CALIBRATING PIPES MADE FROM QUARTZ GLASS | 2015 |
|
RU2591856C1 |
| METHOD FOR MANUFACTURING OPTICAL FIBER PREFORMS FROM QUARTZ SUPPORT TUBES WITH THE PRESENCE OF VOLUMETRIC DEFECTS (VARIANTS) | 2022 |
|
RU2790075C1 |
| ABRASIVE TOOL FOR TREATMENT OF SILICA LIGHT GUIDE BLANKS | 2015 |
|
RU2609579C1 |
| METHOD OF MANUFACTURING QUARTZ LIGHT GUIDE PREFORM | 2016 |
|
RU2649989C1 |
| METHOD OF MAKING SINGLE-MODE FIBRE-OPTICAL WAVEGUIDES WHICH RETAIN RADIATION POLARISATION | 2009 |
|
RU2396580C1 |
| METHOD OF MAKING LIGHT GUIDES BASED ON LOW-OPTICAL LOSS QUARTZ GLASS | 2011 |
|
RU2462737C1 |
| MANUFACTURING METHOD OF PHOTOREFRECTIVE LIGHTS | 2017 |
|
RU2657323C1 |
| METHOD OF MAKING PIPES FROM QUARTZ GLASS | 2011 |
|
RU2479495C1 |
| METHOD FOR MANUFACTURING SINGLE-MODE OPTICAL FIBERS WITH A GERMANOSILICATE CORE | 2021 |
|
RU2764065C1 |
| MCVD METHOD OF MAKING WORKPIECES FOR SINGLE-MODE LIGHT GUIDES | 2015 |
|
RU2576686C1 |
