8/14/2019 Solar Application Newsletter - The Blackstar

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Application Newsletter

System: Advanced Solar Photonics' Blackstar

Material: PV Cell

Laser Type: Pulsed Fiber Laser (1mj @ 20kHz, 1064nm)

Two setup and five final sample wafers from a 30 wafer set were processed on Advanced Solar

Photonics BlackStar machine. The BlackStar was equipped with Q-switched fiber laser (1mJ @

20kHz, 20W average) working together with air/water jet that cools the wafer and effectively

removes debris from the cut line.

The following speeds were used:

At 20mm/sec wafer (blue) and circuits (white) were cut through completely in one pass.

At 25mm/sec wafer (blue) was cut through, but circuits (white) were not.

At faster speeds wafer was not cut through, and the depth of the scribe lines was

inverted-proportional to the speed. However, if a more powerful laser is used, then thespeed could be increased respectively. For example, using 1mJ @ 50kHz Q-switched fiber

laser (50W average) could double the cutting speed.

The photo below shows a holding

ring with wafer glued to the film,

used on the machine.

The BlackStar is a Wafer Dicing System

utilizing Fantom Wafer Dicing

Technology (FWDT) invented and

patented by ASPs parent company,

Fonon Technology International.

Solar panels have the highest value

at the dicing stage which is a direct

function of the BlackStar. ASPs

BlackStar increases the yield per

panel and maximizes throughput

while minimizing the heat affected

zone (HAZ) specifically for solar cells

and low-K substrates. This system is

used for dicing many semiconductor materials and silicon composites in solar panel production

producing wafers three to five times mechanically stronger without additional edge

processing. The BlackStar is the alternative to mechanical saws which may damage thin and

complex solar cell materials and substrates while cutting. With the BlackStar there will be no

micro cracks, fragmentation or chipping. It's plug and play characteristics gives the system ease

of installation and quick start up times. WATCH the BlackStar in action NOW!

Advanced Solar Photonicsis the cutting-edge developer of laser equipment for solar panel processing,

thin-film solar cells, and commercial solar products for the solar industry. Our various

technologies can increase production and efficiency, minimize waste, and in some cases, increase

the overall efficiency of the PV cells. For more information, visit www.advancedsolarphotonics.com or

call direct (407) 829-2613.

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8/14/2019 Solar Application Newsletter - The Blackstar

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