The corrosion behavior of BK-7 glasses for use in non-hermetic electro-optic devices

Theis, C. D.; Fleming, Debbie; Osenbach, J.W.

doi:10.1109/ectc.2000.853288

Cited by 3 publications

(3 citation statements)

References 9 publications

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“…Investigation revealed that the lens used in the hermetic module had undergone a surface treatment which provided a substantially improved humidity resistance. As a result of this observation, the corrosion susceptibility of this lens material was investigated [3].…”

Section: Corrosive Resistant Optical Glassesmentioning

confidence: 99%

“…On the other hand, no discoloration was observed on the optical lens in the hermetic package. The corroded lens in the transceiver and the exposed non-corroded lens in the hermetic module were made from the same material, BK-7 [3]. Investigation revealed that the lens used in the hermetic module had undergone a surface treatment which provided a substantially improved humidity resistance.…”

Section: Corrosive Resistant Optical Glassesmentioning

confidence: 99%

“…The designator BK-7 refers to the glass's optical properties, not its chemical composition. Silicates precipitate out of solution onto the glass surface eventually forming a thick insoluble coating [3] Four different commonly used optical glasses, including three BK-7 types made by different manufacturers were examined in hot humid environments [3]. Based on the nature and composition of the corrosion product, Figure 3 explains the mechanism in traditional BK-7 glasses.…”

Section: Corrosive Resistant Optical Glassesmentioning

confidence: 99%

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A review of non-hermetic optoelectronic packaging

Madduri

Sammakia

Infantolino

et al. 2008

2008 11th Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems

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This paper is a summary of a literature survey done on nonhermetic optoelectronic packages focusing on the cost and reliability aspects. The development of reliable non-hermetic lasers would not only lead to the elimination of the costs specifically associated with hermetic packaging but also lead the way for possible revolutionary low-cost optoelectronic packaging technologies. The paper starts with an introduction to the concept of hermeticity in optoelectronic packages, followed by a detailed review of the reliability issues and failure mechanisms observed in non-hermetic packages when compared to their hermetic counter parts. A hermetic seal in electronic packages is used to prevent the entry of air, foreign gases, contaminants, and most importantly moisture. To seal a package hermetically is particularly challenging and expensive. There are various techniques that have been investigated, to improve the reliability of non-hermetic packages. A few are discussed here such as facet passivation type, choosing a better optical glass and encapsulation techniques. Also accelerated testing is discussed. Some of the most common and important failure mechanisms like popcorn failure, adhesive degradation, laser misalignment and epoxy swelling are discussed.

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Section: Corrosive Resistant Optical Glassesmentioning

confidence: 99%

Section: Corrosive Resistant Optical Glassesmentioning

confidence: 99%

Section: Corrosive Resistant Optical Glassesmentioning

confidence: 99%

See 1 more Smart Citation

A review of non-hermetic optoelectronic packaging

Madduri

Sammakia

Infantolino

et al. 2008

2008 11th Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems

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Highly accelerated life testing for non-hermetic laser modules

Theis¹,

Siconolfi²,

Comizzoli³

et al.

2000 Proceedings. 50th Electronic Components and Technology Conference (Cat. No.00CH37070)

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Reliability testing using accelerators such as temperature and humidity for electronic components has evolved fkom conventional Temperature/Humidity/Bias (THB) testing (85 "C/85% RH/Bias) to the use of highly accelerated temperature and humidity stress testing (HAST). This advancement was in part made possible by the availability of stable commercial HAST systems that have eliminated problems with condensation and pressure-reduction rates. In this paper we apply HAST to laser diodes. We believe that this is the first such data on the application of HAST to non-hermetic laser diodes.We have developed a novel non-hermetic technology for laser diode devices that does not rely on silicone overcoat passivation for sensitive components. Standard 8 PIN ceramic packages without lids or fibers attached were used as test vehicles for specially passivated laser diodes. We performed standard THB testing on laser diodes (85 "C/85% RWBias) 0-7803-5908-9/00/$10.00 02000 IEEE

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High-frequency measurements: Report of Committee on Instruments and Measurements

1927

Trans. Am. Inst. Electr. Eng.

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The corrosion behavior of BK-7 glasses for use in non-hermetic electro-optic devices

Cited by 3 publications

References 9 publications

A review of non-hermetic optoelectronic packaging

A review of non-hermetic optoelectronic packaging

Highly accelerated life testing for non-hermetic laser modules

High-frequency measurements: Report of Committee on Instruments and Measurements

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