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Blue Star R&D Co., Ltd

1-31-1 Yokoyamadai, Chuo-ku, Sagamihara City, Kanagawa pref. 2520241

+81-42-7117721

True ultrasonic cleaning technology in the world of etching Why does ultrasonic etching fail?

• It lies in the incorrect use of ultrasonic technology.We urge you to eliminate the misguided ultrasonic technology and introduce true ultrasonic etching technology.　More precise, more uniform, faster, lower concentration and at lower temperatures.
• True ultrasonic etching technology is the fusion of new chemistry and ultrasonics.Blue Star R&D manufactures and sells a range of ultrasonic etching systems.

New etching equipment has been completed!→ HERE

The manual machines are the PERION-Etc series and the automatic machines are the VEGA-Etc series.There are countless examples of ultrasonic etching failures.The reason for this lies in the shape and nature of the cavities that are generated by ultrasonic irradiation of the etchant.

Normal etchants, various acids and mixed acids will only generate gas nebula-shaped cavities, no matter what ultrasonic waves are applied, unless our unique ultrasonic cavitation enhancement technology is used.

This cavity is characterised by large irregularities.The force to grab the reactive product (negative shock wave) is also weak, and the distance travelled by the cavity is also small.Therefore, if an ultrasonic etching test is carried out without such measures, even if the test is barely passed in the beaker test, the actual equipment will fail with severe etching defects and deep irregularities, greatly disappointing expectations.We know that ultrasonic etching is branded as a bad idea in many companies.However, it is not the ultrasonic etching that is to blame, but the way in which ultrasonic waves are used.The basic requirement for successful ultrasonic etching is that the cavities generated by the ultrasound should be spherical nebula-shaped cavities (microvacuum nuclei).
See the difference between gas nebula and globular nebula cavities on our YouTube technical video site.

Examples of ultrasonic carbide etching are available on the Technical Information page.
The excellence of correct ultrasonic etching is evident.

1. The concentration can be kept low.→Improved working environment, stable quality.
2. Can be used at lower temperatures.→Improved working environment, stable quality.
3. Significantly improved etching quality → Significantly improved etching uniformity.
4. The etching speed is an order of magnitude faster (often more than ten times faster) → The throughput is significantly increased.

The ultrasonic spherical cavity moves the reaction products into the cavity at a speed of 50-100 m/s, with a repetition rate of more than 50,000 occurrences per second.No other reaction accelerator can match this speed.Although a proper understanding of ultrasound is necessary, we would like to see more use of ultrasound in chemical reaction acceleration.

If you are considering this, please contact us.