JP2017000997A - Manufacturing method of plated product with glass lens - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manufacturing method of a plated product with a glass lens, capable of removing organic dirt of including carboxylate stuck by plating treatment, without causing a crack of the glass lens and a crack in a joining part.SOLUTION: A glass lens 2 is joined to a metallic member 5. Plating treatment is executed on the metallic member 5 for joining the glass lens 2. Ultrasonic cleaning for 10 sec-5 min of using an ultrasonic wave of a frequency 20 kHz-100 kHz and electric power of 50 W-1200 W, is executed to the metallic member 5 of executing the plating treatment, and organic dirt 11 of including carboxylate stuck by the plating treatment is removed.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a method for manufacturing a plated product with a glass lens, which can remove organic stains containing carboxylate attached by plating without causing cracks in a glass lens or cracks at a joint.

  Ultrasonic cleaning is used for cleaning photomasks and silicon wafers (see, for example, Patent Documents 1 and 2).

Japanese Patent Laid-Open No. 10-62965 Japanese Patent Laid-Open No. 11-16867

  The cap with a glass lens is obtained by melting a glass lens and bonding it to a metal cap. Structurally, the strength of the glass lens or the joint between the glass lens and the metal cap is not high. Therefore, in order to avoid cracking of the glass lens, cracking at the joint between the glass lens and the metal cap, and detachment of the glass lens, ultrasonic cleaning is not performed on the cap with glass lens, but only water washing is conventionally performed. I did not.

  Also, plating is formed on the surface of the cap in the manufacturing process of the cap with glass lens. A Ni plating solution residue remains on the surface of the metal cap after plating. The residue contains organic stains containing carboxylates. This organic stain is not removed only by washing with water, but remains on the surface of the cap.

  The cap with a glass lens is bonded to the holder by a UV curable resin, but organic stains containing a carboxylate salt react with moisture contained in the UV curable resin to show alkalinity. Since the UV curable resin generates an acid upon curing to cure the resin, the acid is neutralized and the UV curable resin is not cured if the cap is alkaline. As a result, there has been a problem that the cap with glass lens is not joined to the holder and comes off.

  The present invention has been made to solve the above-described problems, and its purpose is to prevent organic stains containing carboxylate adhered by plating without causing cracks in glass lenses and cracks at joints. The manufacturing method of the plating product with a glass lens which can remove is obtained.

  The manufacturing method of the plated product with a glass lens according to the present invention includes a step of bonding a glass lens to a metal member, a step of performing a plating process on the metal member to which the glass lens is bonded, and the plating process. The metal member is subjected to ultrasonic cleaning for 10 seconds to 5 minutes using ultrasonic waves having a frequency of 20 kHz to 100 kHz and a power of 50 W to 1200 W to remove organic stains including carboxylate adhered by the plating process. And a step of performing.

  In the present invention, ultrasonic cleaning for 10 seconds to 5 minutes using ultrasonic waves having a frequency of 20 kHz to 100 kHz and power of 50 W to 1200 W is performed on the metal member subjected to the plating treatment. Thereby, the organic dirt containing the carboxylate adhering by the plating process can be removed without causing the crack of the glass lens or the crack at the joint.

It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the adhesion state of the plating cap with a glass lens and UV curable resin in a comparative example. It is a perspective view which shows the modification of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a perspective view which shows the modification of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a perspective view which shows the modification of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a perspective view which shows the modification of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a perspective view which shows the modification of the plating product with a glass lens which concerns on Embodiment 1 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens concerning Embodiment 2 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 3 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 4 of this invention. It is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 5 of this invention.

  The manufacturing method of the plating product with a glass lens concerning embodiment of this invention is demonstrated with reference to drawings. The same or corresponding components are denoted by the same reference numerals, and repeated description may be omitted.

Embodiment 1 FIG.
1-9 is a figure which shows the manufacturing method of the plating product with a glass lens which concerns on Embodiment 1 of this invention.

  First, as shown in FIG. 1, the glass lens 2 is processed from the glass base material 1 and cleaned. Next, as shown in FIG. 2, the metal base material 3 is sandwiched between molds 4 and pressed to form a metal cap 5. An opening for inserting a lens is formed in the metal cap 5.

  Next, as shown in FIG. 3, a high-temperature heat treatment is performed in a reflow furnace 6 to melt the glass lens 2 and join it to the metal cap 5. Next, as shown in FIG. 4, the metal cap 5 to which the glass lens 2 is bonded is immersed in a Ni plating solution 7 to perform a plating process. Thereby, Ni plating 8 is formed on the surface of the metal cap 5.

  Next, as shown in FIG. 5, the metal cap 5 subjected to the plating treatment is immersed in pure water 9, and ultrasonic cleaning is performed for 10 seconds to 5 minutes using ultrasonic waves having a frequency of 20 kHz to 100 kHz and a power of 50 W to 1200 W. To remove the organic stain 11 attached by the plating process. The organic dirt 11 is an organic substance containing a carboxylate.

  Next, as shown in FIG. 6, the metal cap 5 is joined to the stem 13 on which the avalanche photodiode 12 is mounted so that the optical axes of the glass lens 2 and the avalanche photodiode 12 are aligned. A UV curable resin 14 is applied to the side surface of the metal cap 5. Next, as shown in FIG. 7, the metal cap 5 is inserted into the holder 15. The holder 15 connects the laser diode 16 and the optical fiber 17.

  Next, as shown in FIG. 8, the metal cap 5 is bonded to the holder 15 with the UV curable resin 14 by curing the UV curable resin 14 with ultraviolet rays. Thereby, as shown in FIG. 9, the temporary adhesion of the metal cap 5 to the holder 15 is completed.

  Subsequently, the effect of the present embodiment will be described in comparison with a comparative example. In the comparative example, ultrasonic cleaning is not performed, and only water cleaning is performed. However, the organic dirt 11 is not removed only by washing with water and remains on the surface of the metal cap 5. FIG. 10 is a diagram illustrating an adhesion state between the glass lens-equipped plating cap and the UV curable resin in the comparative example. Since the metal cap 5 is made alkaline by the organic dirt 11 containing the remaining carboxylate, the acid is neutralized and the UV curable resin 14 is not cured. As a result, there arises a problem that the metal cap 5 is not joined to the holder 15 and comes off.

  On the other hand, in the present embodiment, ultrasonic cleaning for 10 seconds to 5 minutes using ultrasonic waves having a frequency of 20 kHz to 100 kHz and a power of 50 W to 1200 W is performed on the metal cap 5 subjected to the plating treatment. Thereby, the organic stain | pollution | contamination 11 which adhered by the plating process can be removed, without generating the crack of the glass lens 2, or the crack in a junction part. As a result, the adhesive strength between the metal cap 5 and the UV curable resin 14 is improved.

  Further, the organic soil 11 containing a carboxylate becomes a fatty acid having a long-chain hydrocarbon in the pure water 9. Fatty acids are difficult to dissolve in water. However, by controlling the ultrasonic wave under the above conditions, the organic dirt 11 can be removed with a shock wave without damaging the metal cap 5.

  FIGS. 11-15 is a perspective view which shows the modification of the plating product with a glass lens which concerns on Embodiment 1 of this invention. The metal cap 5 with the ball lens 18 shown in FIG. 11, the metal cap 5 with the circular flat lens 19 shown in FIG. 12, the metal cap 5 with the square flat lens 20 shown in FIG. 13, and the substrate 21 shown in FIG. The present embodiment can also be applied to cleaning of a window structure member in which the ball lens 18 is bonded, a window structure member in which the flat lens 20 is bonded to the substrate 21 shown in FIG.

Embodiment 2. FIG.
FIG. 16 is a diagram showing a method for manufacturing a plated product with a glass lens according to Embodiment 2 of the present invention. In the present embodiment, after the plating process and before the ultrasonic cleaning, the metal cap 5 is treated with hydrochloric acid water 22 to neutralize the organic soil 11 that shows alkalinity. The neutralizing substance of the organic stain 11 remaining in the metal cap 5 and the hydrochloric acid water 22 are removed by ultrasonic cleaning. Since the organic dirt 11 becomes a neutralizing substance, the effect of ultrasonic cleaning is improved, and the organic dirt 11 attached to the metal cap 5 can be removed in a short time.

Embodiment 3 FIG.
FIG. 17 is a diagram showing a method for manufacturing a plated product with a glass lens according to Embodiment 3 of the present invention. In this embodiment, nitric acid solution 23 is used instead of hydrochloric acid solution 22 of the second embodiment. Other steps are the same as those in the second embodiment. Thereby, the same effect as Embodiment 2 can be acquired.

  It should be noted that the acid is not limited to the hydrochloric acid water 22 and the nitric acid water 23 of the second and third embodiments, and any acid that can cancel the alkalinity of the alkaline substance that has formed a salt with the carboxylic acid may be used. Also good.

Embodiment 4 FIG.
FIG. 18 is a diagram showing a method for manufacturing a plated product with a glass lens according to Embodiment 4 of the present invention. In the present embodiment, after the plating process, before the ultrasonic cleaning, the ultraviolet part is irradiated to decompose the hydrocarbon portion of the organic dirt 11. The decomposed organic dirt 11 is removed by ultrasonic cleaning with pure water 9. Other steps are the same as those in the first embodiment.

  Since the molecular weight of the organic dirt 11 is reduced by irradiating ultraviolet rays to decompose the hydrocarbon portion of the organic dirt 11, the effect of ultrasonic cleaning is improved and the organic dirt 11 attached to the metal cap 5 is removed for a short time. Can be removed.

  In the first to fourth embodiments, pure water 9 is used as a cleaning liquid for ultrasonic cleaning. However, the present invention is not limited to this, and alcohols such as ethanol, methanol, and IPA, and surfactants such as acetone and neutral detergent are used. It may be used.

Embodiment 5. FIG.
FIG. 19 shows a method for manufacturing a plated product with a glass lens according to Embodiment 5 of the present invention. In the present embodiment, the organic cap 11 is decomposed and removed by ultrasonic cleaning of the metal cap 5 using ozone water 24 as a cleaning liquid. Other steps are the same as those in the first embodiment.

  Since the hydrocarbon portion of the organic soil 11 containing carboxylate is decomposed by the decomposition action of the ozone water 24, the effect of ultrasonic cleaning is improved and the organic soil 11 attached to the metal cap 5 can be removed in a short time. Can be removed.

2 glass lens, 5 metal cap (metal member), 9 pure water, 11 organic dirt,
14 UV curable resin, 15 holder, 22 hydrochloric acid water, 23 nitric acid water, 24 ozone water

Claims (6)

Joining the glass lens to the metal member;
Plating the metal member to which the glass lens is bonded; and
Carboxylic acid adhered by the plating treatment by performing ultrasonic cleaning for 10 seconds to 5 minutes using ultrasonic waves having a frequency of 20 kHz to 100 kHz and power of 50 W to 1200 W on the metal member subjected to the plating treatment. A method for producing a plated product with a glass lens, comprising: removing organic soil containing salt.   The method for producing a plated product with a glass lens according to claim 1, further comprising a step of adhering the metal member from which the organic dirt has been removed to a holder with a UV curable resin. After the plating treatment, before the ultrasonic cleaning, further comprising a step of neutralizing the organic soil showing alkalinity by treatment with an acid,
The method for producing a plated product with a glass lens according to claim 1 or 2, wherein the neutralizing substance of the organic soil and the acid remaining on the metal member are removed by the ultrasonic cleaning. After the plating treatment, before the ultrasonic cleaning, further comprising a step of irradiating ultraviolet rays to decompose the hydrocarbon portion of the organic soil,
The method for producing a plated product with a glass lens according to claim 1 or 2, wherein the decomposed organic stain is removed by the ultrasonic cleaning.   5. The method for producing a plated product with a glass lens according to claim 1, wherein any one of pure water, alcohol, acetone, and a surfactant is used as the cleaning liquid for the ultrasonic cleaning.   The method for producing a plated product with a glass lens according to claim 1 or 2, wherein the metallic member is decomposed and removed by ultrasonic cleaning using ozone water as a cleaning liquid.

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