Effect of accuracy in making spinneret holes on uniformity of properties of fibres and yarns

Yankov, V. I.; Glot, O. I.; Volkov, V. Z.; Pervadchuk, V. P.; Mal'kov, L. B.

doi:10.1007/bf00548820

Cited by 2 publications

(2 citation statements)

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“…The conventional UV mask is not suitable for exposure to x-rays. Processes (1)-( 9) involve conventional UV lithography (4) and coating with an Au layer (7) to fabricate an x-ray conformal mask. A PMMA microstructure was created under x-ray exposure (9), as shown in figure 11, (10).…”

Section: Liga Technique and Resultsmentioning

confidence: 99%

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Study of flow and heat transfer characteristics and LIGA fabrication of microspinnerets

Tzeng

P²

2003

J. Micromech. Microeng.

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This investigation analyzes the flow, the heat transfer characteristics and the LIGA fabrication of a microspinneret. An experimental test model was built to elucidate the flow in the micronozzle. A numerical solution covers the range from Re = 10−8 to 1.0, proving that the flow characteristics of the micronozzle are similar to those of the test model. The Peclet number in the test model can be adjusted to a value close to that of the micronozzle. The LIGA fabrication technique, including lithography, electroforming and molding, is a new technique for fabricating many precise microstructures. The other advantages of the LIGA technique to make nozzles are the generation of a high aspect ratio and the flexibility of the nozzle's geometry. The textile industry employs several microspinnerets with high aspect ratios and different nozzle geometries, and represents an ideal context for applying the LIGA technique.

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Section: Liga Technique and Resultsmentioning

confidence: 99%

“…Studies of polymer fluid flow in a micronozzle concentrate on viscosity due to varying temperature [4] or a fall in pressure [5], and on the effect on flow behavior of varying the parameters of the nozzle's geometry [6]. The effect on pressure of the dimensions of the micronozzle has also been considered [7].…”

Section: Introductionmentioning

confidence: 99%

Study of flow and heat transfer characteristics and LIGA fabrication of microspinnerets

Tzeng

P²

2003

J. Micromech. Microeng.

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show abstract

Behaviors of flow mechanisms and heat transfer of non-Newtonian fluids through a spinneret

Tzeng

2003

Heat and Mass Transfer

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Effect of accuracy in making spinneret holes on uniformity of properties of fibres and yarns

Cited by 2 publications

References 1 publication

Study of flow and heat transfer characteristics and LIGA fabrication of microspinnerets

Study of flow and heat transfer characteristics and LIGA fabrication of microspinnerets

Behaviors of flow mechanisms and heat transfer of non-Newtonian fluids through a spinneret

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