The project describes the operation of a cheap keychain lasers that are being sold in low price. In theory, most common laser heads contains two semiconductors inside which includes a laser diode (LD) ...

Little Laser Trip Wire circuit presented here can detect movement of people or objects while passing through the laser beam and trigger security alarms as alert signals to those concerned. What is ...

In recent years, repairing and upgrading electronics has largely given way to a trend of disposable gadgets which fill up landfills – especially with regard to home appliances like coffee makers and ...

Well, here’s a cooooool finding. Take any piece of electronic equipment you can think of and its circuits are powered by, yes, electrons. But a new experiment takes us one step closer to “atomtronic ...

Engineers have led development of a laser-treatment process that allows them to use printed graphene for electric circuits and electrodes -- even on paper and other fragile surfaces. The technology ...

The 3D laser profile sensor provides micrometre-level 3D measurement accuracy for inline inspection in electronics and ...

Silicon (Si) photonics has recently emerged as a key enabling technology in many application fields thanks to the mature Si process technology, the large silicon wafer size, and Si optical properties.

Researchers at Iowa State University have developed a computer-controlled laser technology to treat inkjet printed graphene for flexible, wearable and low-cost electronics. Recent projects used inkjet ...

As demand for next-generation semiconductor chips grows, a team of researchers has succeeded in laser-drilling the world's tiniest circuit board holes, measuring a near-inconceivable 3 micrometers in ...