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Femtosecond-laser Process

– Features –

– Ultra-short pulse laser process:
  1 femtosecond is one petaseconds.
  (The light can travel only 0.3 μm in one femtosecond.)
– Minimum thermal effect to materials
– High precision work:
  Working accuracy is submicrons to microns.

in process

in process

» Comparison Table of Lasers(PDF)

【Work samples】

– Stent-shaped cutting with biomass plastics

Material: Polylactic-acid tube
Size: O.D. 1.52, I.D. 1.09
Wave length: Near ultraviolet wave length

  • tent-shaped
  • tent-shaped
  • tent-shaped
  • tent-shaped
  • tent-shaped

– Sapphire glass

Material: Sapphire glass
Size: 0.8 mm in thickness
Wave length: Near infrared wave length

  • Sapphire glass
  • Sapphire glass

    Enlarged view of the cutting surface

  • Sapphire glass

    dia 0.8 mm, 0.25 mm deep with 0.2 mm center holes

  • Sapphire glass

    (enlarged view)

  • Sapphire glass
  • Sapphire glass

    0.3 mm high, 0.3 mm wide, 0.3 mm deep
    (with taper forging inclined at 45°)

  • Sapphire glass

    (enlarged view)

  • Sapphire glass

– Medical use tube

Material: Polyimide tube for medical use
Size: I.D. 1.0 mm, 0.14 mm thick with 0.5 X 2 mm angle holes
Wave length: Near ultraviolet wave length

  • straight
  • straight
  • straight cutting

  • Enlarged view of the cutting surface

    Enlarged view of the cutting surface
    (Three dissimilar materials are simultaneously cut without changing the cutting condition.)

– Dinple making on NiTi tube

Material: NiTi tube
Size: O.D. 6.0 mm, 0.5 mm thick
Wave length: Near ultraviolet wave length

Dinple making on NiTi tube

dia. 1.0 mm dinples
dinple depth(from the left):
  0.5 mm (through), 0.4 mm, 0.3 mm
  0.2 mm, 0.1 mm, 0.05 mm

– Molybdenum

Material: Molybdenum
Size: 0.5 mm in thickness
Wave length: Visible light wave length

Molybdenum

H0.4mm, W0.4mm , D0.2mm

  • Molybdenum
    (Enlarged views)
  • Molybdenum
    (Enlarged views)
  • Molybdenum
  • Molybdenum

    H0.3mm, W0.3mm , D0.3mm
    (with taper forging inclined at 45°)
    (斜め45°テーパー)

  • Molybdenum

    (Enlarged views)

– Silicon wafer

Material: Silicon wafer (dummy grade)
Size: 0.28 mm in thickness
Wave length: Visible light wave length

Silicon wafer

dia. 0.5mm through : dia. 0.2mm through

  • Silicon wafer

    Enlargement view

  • Silicon wafer

    Enlargement view

  • Silicon wafer
  • Silicon wafer

    H0.3mm, W0.3mm , D0.3mm(with taper forging inclined at 45°)

  • Silicon wafer

    (Enlargement view)

  • Silicon wafer

– Hexagon through-hole processing for zirconia

Material: Zirconia
Size: 0.5 mm in thickness, 0.3 mm each side
Wave length: Visible light wave length

Zirconia
Zirconia

– Silicon nitride

Material: Silicon nitride
Size: 0.3 mm in depth, 0.3 mm each side
Wave length: Visible light wave length

Silicon nitride

Silicon nitride

Silicon nitride

– Spiral processing with variable pitches on NiTi tube

Material: NiTi tube
Size: O.D. 1.08 mm, I.D. 0.82 mm
Wave length: Visible light wave length

Ni-Tiパイプへ可変ピッチスパイラル加工
Ni-Tiパイプへ可変ピッチスパイラル加工