Single-mode multifiber connector using an injection molded MT type ferrule and a quick assembly technique

Takaya, Masaaki; Murakami, Y.

doi:10.1117/1.602457

Cited by 4 publications

(5 citation statements)

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“…The RL value is from 40.3 dB to 55 dB, the average value was 51.7 dB. The results obtained from the study of Takaya et al [11] and the present study are shown in table 7. Define IL ≡ (Max.…”

Section: Void Voidsupporting

confidence: 60%

“…RL). IL and RL values are both much smaller than the values shown in the study of Takaya et al [11]. If the IL and RL values are relatively smaller, the differences among all hole diameters of the ferrule are smaller too, so the linkage quality is better.…”

Section: Void Voidcontrasting

confidence: 54%

“…If the IL and RL values are relatively smaller, the differences among all hole diameters of the ferrule are smaller too, so the linkage quality is better. From the experimental data, the injection of the ELM-1000 material can match the optical requirements, and its optical performance is significantly better than that in the study of Takaya et al [11].…”

Section: Void Voidmentioning

confidence: 74%

“…The values of RL varied from 48 dB to 55 dB, and the average value was 52.2 dB. A published paper [11] showed the results of an 8 MT connector produced using a thermoplastic material. In that study, 32 experimental data points were obtained.…”

Section: Void Voidmentioning

confidence: 99%

“…The thermoplastic material produced 8 MT-type ferrules by injections. The connectors exhibited a low insertion loss of 0.21 dB and a return loss of 45 dB [11]. The prototypes of the MT-type ferrule with 12 fibers were fabricated using the LIGA technique and electro-discharge machining.…”

Section: Introductionmentioning

confidence: 99%

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Ferrule fabrication for the MT-type optical fiber connector using the microinjection process

Lee¹,

Lin²

2008

J. Micromech. Microeng.

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This study presents a novel design to fabricate the hole array mold parts for 12 ports of the MT-type ferrule using a LIGA process. This fabrication technique can reduce the positioning error efficiently when making the mold assembly. The present design also makes replacing the mold parts convenient. The hole fabrication consists of a single x-ray exposure and development process, Ni-Co (nickel-cobalt) electroforming, and microinjection molding for a fast-curing epoxy liquid compound. Compared to conventional transfer molding technology, the present method for microinjection reduces the cycle time to about 35 s and saves on raw material. The 12 ports in the MT-type optical fiber ferrule were designed using the JIS C5981 and IEC60874-16 specifications. The diameters of the fiber holes had errors of 1 μm, and their position was smaller than 2 μm; these dimensions conform to the single-mode specifications. The proposed LIGA technique has been proven to be effective in reducing the positioning error in mold assembly construction. For the single-mode MT-type connector in the present study, the mean insertion loss (IL) was lower than that shown in the reported literature while the mean return loss (RL) was higher. The uniformities exhibited in IL and RL are much better than those previously reported.

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Section: Void Voidsupporting

confidence: 60%

Section: Void Voidcontrasting

confidence: 54%

Section: Void Voidmentioning

confidence: 74%

Section: Void Voidmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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