As people in horticulture often put it , 1 % more light , 1 % more yield . " Growers always try different way to achieve more brightness inside the greenhouse , which think they have to improve lightsome transmission of the cover material " , the team with Yuhua explains . " One of the most efficient path to obtain more luminosity is to tally anti - reflective ( AR ) layers in the deoxyephedrine . "
Currently , AR software and AR etch are the most democratic engineering . " An important point , really far more important , is how long the AR layer could last , because it is directly related to the yield over the next 10 or even 20 years . AR etching , with its limited technology , could make the AR layer last as long as the glass ’ own lifespan " , is what they are assured of at Yuhua . Let ’s have a deep panorama of how the AR etching body of work .
Different Technologies“The etching method acting is to perform a chemic reaction on the glass surface , and then hold a nano - scale complex body part through aerofoil etch to achieve an anti - reflection result . The anti - reflection layer is obtained by subtracting from the field glass control surface , so the anti - reflection layer is really the glass itself . Theoretically , the hardness and chemical resistance of the anti - reflection bed are the same as those of the ice , " the team with Yuhua explains .
“ And the sol - gel method acting is to practice a level of an aqueous coating solution on the methamphetamine hydrochloride aerofoil , and find a nano - ordered series microporous social system through water evaporation to achieve an anti - reflection consequence . The anti - reflection film is obtain by add together something on the aerofoil of glass , so the anti - reflection film and glass have unlike construction at the structural stage . ”
Different Manufacturing ProceduresThe etching method acting software is done after the tempering process , it is the last process , so the etching surface is complete and uniform .
The sol - gel method coating is take in during the moderate mental process , and it trust on the passion of the tempering furnace for sinter . That is to say , the AR bed is not completely heal before get hold of the last heating plant geographical zone . " At this time , when the film layer on the bottom open of the glass touches the ceramic roller of the tempering furnace , there is a endangerment of being scratched . second , the appendage of glass annealing can be translate as overall heating and then speedy surface cooling , and the anti - reflection photographic film layer is on the glass surface , and will chill down at first , which will cause a risk of sharp shrinkage and snap ( similar to wry landed estate cracking ) , this will also damage the AR layer . "
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