The process of manufacture now continues in the engravers
machines. In them the zinc masters that we have produced in
the previous process is placed and on it we inject fused polycarbonate.
The polycarbonate is solidified in the act by means of cold
water giving as result a plastic disc that already contains
the information that exists in the masters, that is to say,
it takes drilled the crests and valleys (the zeros and ones)
with the digital information. This process is very short in
time by the degree of sophistication of the technology that
we used and lasts between 2,6 and 4,2 seconds by each disc.
Obviously all the process is made in a suitable continuous
chain to the amounts that we must make.
Once made the polycarbonate disc, we have to metallize the
opposite face to which it contains the information, in such
a way that the light is reflected. This process has varied
a lot throughout the time from the golden time that is used
gold, happening later to silver to the present time that is
used an aluminium mixture and silver.
|
|
|
|
|
 |
 |
|
