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Total quality from design to manufacturing ensures
optimal performance and safety of our products in the real world.
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Taguchi Method
Mitsubishi Electric takes pride in researching, designing,
manufacturing and assembling all of our photovoltaic products
from the cell to the module in our own facilities located in
Japan. By taking total control, we can optimize each step of the
production process to ensure the highest quality of our
products.
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Production from the Cell to Module
By reducing the area of each cell and connecting them in a
parallel formation, the amount of electrical current carried by
each busbar is reduced by half. This results in the decreased of
electrical resistance within the busbars and an increase in
overall efficiency of about 2.5%.
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Highly Automated Production Line
From assembly to inspections, our module lines are highly
automated with our own factory automation equipment developed
in-house. For example, using ccd camera imaging to align busbars
for soldering or to detect mispositioned cells in an array, the
high precision machines ensure an unsurpassed level of
production uniformity and the ability to conduct greater quality
inspections than traditional manual methods.
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Cell Uniformity
Every cell we produce is measured for electrical characteristics
and undergoes a very strict selection process before being
assembled into a module.
This ensures that all cells in the module have uniform
characteristics for optimal performance.
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Cell ID Laser Marking
We have introduced a new cell tracking system in which each cell
is marked with a unique dot matrix code.
This makes each individual cell traceable throughout the cell
production process, allowing us to make numerous manufacturing
improvements. The dot matrix code is nearly impossible to see
with the naked eye, and has absolutely no influence on output
power.
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Barcode
Every individual module is marked with a unique identifiable
barcode, which is used for tracking the module through all
production steps as part of our quality control.
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High Power in Actual Use
Each module's electrical characteristics are measured and then
paired together automatically by a sorting machine. Modules are
matched together according to electrical data so that the
average output of each carton is always greater than the nominal
output power.
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