Fabrication of the plastic component for photonic crystal using micro injection molding

Chang, Ching-Ho; Young, Wen-Bin

doi:10.1007/s00542-010-1041-9

Cited by 5 publications

(2 citation statements)

References 19 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This fabrication method, however, incorporates several steps, such as the application of the photoresist layer to the substrate surface, the imprint step itself, and the exposure with ultraviolet radiation. An alternative way for replication is injection molding of the master (also known as mold insert) [14,15], which is basically only one step. Injection molding has been established as an efficient way to fabricate plastic items ranging from low-level products, e.g., yogurt cups, up to high-tech parts, e.g., Blu-ray discs.…”

Section: Introductionmentioning

confidence: 99%

Sensitivity optimization of injection-molded photonic crystal slabs for biosensing applications

Nazirizadeh¹,

Oertzen²,

Plewa³

et al. 2013

Opt. Mater. Express

View full text Add to dashboard Cite

For label-free assays employing photonic crystal slabs (PCSs), the sensitivity is one of the most important properties influencing the detection limit. We investigate the bulk sensitivity and the surface sensitivity of 24 different PCSs fabricated by injection molding of PMMA and subsequent sputtering of a Ta 2 O 5 high-index layer. The duty cycle of the linear grating is varied in steps of 0.1 between 0.2 and 0.7. Four different Ta 2 O 5 layer thicknesses (89 nm, 99 nm, 189 nm, 301 nm) are deposited. Both bulk and surface sensitivity are optimal for a Ta 2 O 5 layer thickness of 99 nm. The maximum bulk sensitivity of 138 nm/RIU is achieved for a duty cycle of 0.7, while the maximum surface sensitivity of 47 nm/RIU is obtained for a duty cycle of 0.5. Good agreement between experimental results and finite-difference time-domain (FDTD) simulations is observed. The PCSs sensitivity is linked to the mode intensity distribution. Laing, "Label-free assays on the BIND system," J. Biomol. Screen. 9(6), 481-490 (2004). 9. Y. Nazirizadeh, U. Bog, S. Sekula, T. Mappes, U. Lemmer, and M. Gerken, "Low-cost label-free biosensors using photonic crystals embedded between crossed polarizers," Opt. Express 18(18), 19120-19128 (2010). 10. I. M. White and X. Fan, "On the performance quantification of resonant refractive index sensors," Opt. Express 16(2), 1020-1028 (2008). 11. M. El Beheiry, V. Liu, S. Fan, and O. Levi, "Sensitivity enhancement in photonic crystal slab biosensors," Opt.Express 18(22), 22702-22714 (2010). 12. U. Geyer, J. Hauss, B. Riedel, S. Gleiss, U. Lemmer, and M. Gerken, "Large-scale patterning of indium tin oxide electrodes for guided mode extraction from organic light-emitting diodes," J. Appl. Phys. 104(9), 093111 (2008). 13. L. J. Guo, "Nanoimprint lithography: methods and material requirements," Adv. Mater. 19(4), 495-513 (2007

show abstract

Section: Introductionmentioning

confidence: 99%

Sensitivity optimization of injection-molded photonic crystal slabs for biosensing applications

Nazirizadeh¹,

Oertzen²,

Plewa³

et al. 2013

Opt. Mater. Express

View full text Add to dashboard Cite

show abstract

“…There are many filling-to-packing switchover modes that machines are capable of using today. [2][3][4][5][6][7][8] While the transfer from fill to pack is particularly crucial, the transfers from pack to hold and hold to screw recovery also significantly affect part quality. However, Point E, the end-point of the holding phase, hasn't been noticed sufficiently.…”

mentioning

confidence: 99%

End-Point Control of Holding Phase Based on Cavity Pressure for Injection Molding

Jian

Xie

Yang

2011

AMR

View full text Add to dashboard Cite

While the switchover from filling to packing is particularly crucial during injection molding, the transfers from holding to screw recovery also significantly affects the quality of molded parts. In this study, the end-point control of the holding phase based on cavity pressure was presented. It was compared with the traditional control method by holding time. The purpose of this study was to validate the feasibility of the end-point control of holding phase by cavity pressure, and to examine its consistency. The weight of the molded parts served as the main measure to probe the process’s capabilities. The results of the verification experiments revealed that the end-point control mode based on cavity pressure could yield better consistency of part weight than the traditional control method by holding time, however, the benefits were not significant. The trigger value of cavity pressure and sensor position should be considered for achieving such high process capabilities.

show abstract

Tunable sensitivity of a waterborne bacteria detector based on a ternary photonic crystal with high-critical-temperature superconductor and semiconductor layers

Almawgani,

Taya,

Alhamss

et al. 2023

Microsyst Technol

View full text Add to dashboard Cite

Fabrication of the plastic component for photonic crystal using micro injection molding

Cited by 5 publications

References 19 publications

Sensitivity optimization of injection-molded photonic crystal slabs for biosensing applications

Sensitivity optimization of injection-molded photonic crystal slabs for biosensing applications

End-Point Control of Holding Phase Based on Cavity Pressure for Injection Molding

Tunable sensitivity of a waterborne bacteria detector based on a ternary photonic crystal with high-critical-temperature superconductor and semiconductor layers

Contact Info

Product

Resources

About