JPH0476072A - Ink for marking part that has not been soldered well - Google Patents
Ink for marking part that has not been soldered wellInfo
- Publication number
- JPH0476072A JPH0476072A JP2191062A JP19106290A JPH0476072A JP H0476072 A JPH0476072 A JP H0476072A JP 2191062 A JP2191062 A JP 2191062A JP 19106290 A JP19106290 A JP 19106290A JP H0476072 A JPH0476072 A JP H0476072A
- Authority
- JP
- Japan
- Prior art keywords
- ink
- parts
- marking
- marking ink
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005476 soldering Methods 0.000 claims abstract description 22
- 239000002904 solvent Substances 0.000 claims abstract description 18
- 239000000049 pigment Substances 0.000 claims abstract description 12
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000001856 Ethyl cellulose Substances 0.000 claims abstract description 9
- 229920001249 ethyl cellulose Polymers 0.000 claims abstract description 9
- 235000019325 ethyl cellulose Nutrition 0.000 claims abstract description 9
- 230000004907 flux Effects 0.000 claims abstract description 6
- WUOACPNHFRMFPN-SECBINFHSA-N (S)-(-)-alpha-terpineol Chemical compound CC1=CC[C@@H](C(C)(C)O)CC1 WUOACPNHFRMFPN-SECBINFHSA-N 0.000 claims abstract description 4
- OVKDFILSBMEKLT-UHFFFAOYSA-N alpha-Terpineol Natural products CC(=C)C1(O)CCC(C)=CC1 OVKDFILSBMEKLT-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229940088601 alpha-terpineol Drugs 0.000 claims abstract description 4
- 230000002950 deficient Effects 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 239000000976 ink Substances 0.000 description 38
- 238000004140 cleaning Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 150000003505 terpenes Chemical class 0.000 description 3
- 235000007586 terpenes Nutrition 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 239000012463 white pigment Substances 0.000 description 2
- VXQBJTKSVGFQOL-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethyl acetate Chemical compound CCCCOCCOCCOC(C)=O VXQBJTKSVGFQOL-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、プリント基板の半田付４−７不良箇所にマー
キングし、該マーキングが不用となった場合にも、溶剤
により容易に洗浄できるインク組成物及び該マーキング
インクの使用方法に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention uses an ink that can be used to mark defective soldering points 4-7 on a printed circuit board and that can be easily cleaned with a solvent even when the marking is no longer needed. The present invention relates to a composition and a method of using the marking ink.
（従来の技術）
プリント基板は、実装機などによりチップ部品などの半
導体部品か搭載され、後工程にて半田付けか成される。(Prior Art) Semiconductor components such as chip components are mounted on a printed circuit board using a mounting machine or the like, and soldered in a subsequent process.
しかし、最近の搭載部品や基板の高密度化に伴い、後工
程で成される半田付けの不良箇所が発生する確率も高く
なっている。However, with the recent increase in the density of mounted components and substrates, the probability of occurrence of defective soldering points in post-processes has also increased.
かかる半田付は不良箇所のマーキングには、従来まで市
販の螢光顔料を配合したインクが、そのままマーキング
インクとして用いられていた。Conventionally, commercially available inks containing fluorescent pigments have been used as marking inks to mark defective soldering locations.
（本発明か解決しようとする問題点）
しかしながら、上記のようなマーキングインクを用いて
、部品搭載プリント基板」二の半田付は不良箇所に対し
て、シリンジを用いてマーキングし、半田付は修正を行
った後、このマーキングを洗浄により消去しようとして
も、単なる溶剤浸漬では洗浄できなかったり、また、超
音波を併用しても綺麗に洗浄できず被洗浄性に劣るとい
う問題点を生じていた。(Problem to be solved by the present invention) However, using the above-mentioned marking ink, the defective soldering parts of the component-mounted printed circuit board are marked with a syringe, and the soldering is corrected. Even if an attempt was made to erase the markings by cleaning after this process, there were problems in that the markings could not be cleaned by simple immersion in a solvent, or they could not be cleaned thoroughly even when combined with ultrasonic waves, resulting in poor cleaning properties. .
更には、インクがシリンジ中に残留して、数時間接に再
度使用される場合、シリンジの針先でインクが固化して
しまう問題も生じていた。Furthermore, if the ink remains in the syringe and is used again after several hours of contact, the ink may solidify at the tip of the syringe.
（発明の目的）
本発明は、上述のような欠点を解消するもので、目的の
第一は、被洗浄性に秀れ、しかも固化し雌い、半田付は
不良か所用マーキングインクを提供することである。(Object of the Invention) The present invention is intended to eliminate the above-mentioned drawbacks, and the first object is to provide a marking ink that is excellent in washability, solidifies, and is used to prevent soldering. That's true.
目的の第二は、該マーキングインクを後工程で、半田付
は用フラックス残渣と共に、基板上より洗浄除去する該
マーキングインクの使用方法である。The second object is a method of using the marking ink, which is used in a subsequent process to wash and remove the marking ink from the substrate together with the soldering flux residue.
（問題点を解決するための手段）
上記の目的を達成するため、本発明の半田付は不良箇所
用マーキングインクは、顔料に低分子量のエチルセルロ
ースのα−ターピネオール（以後ＴＯという）溶液から
成るビヒクルを含有するという構成をとる。(Means for Solving the Problems) In order to achieve the above object, the marking ink for defective soldering parts of the present invention uses a vehicle consisting of a pigment and a solution of α-terpineol (hereinafter referred to as TO) of low molecular weight ethyl cellulose. It has a structure that contains.
すなわち、本発明者らは、半田付は不良箇所用マーキン
グインクの上記欠点を解決するため、連の研究を重ねた
結果、低分子量のエチルセルロースを＋、記ママ−キン
グインクに含有させることにより、室温にて畦なる溶剤
への浸漬のみでマーキングを洗浄除去することかでき、
また、ＴＯを溶剤とすることにより、シリンジに該マー
キングインクが入ったままでも、８時間以上は経時劣化
を起こさないことを見出たし本発明に到達しな。That is, in order to solve the above-mentioned drawbacks of the marking ink for defective parts during soldering, the present inventors have conducted a series of researches and found that by incorporating low molecular weight ethyl cellulose into the marking ink, Markings can be washed and removed simply by dipping in a solvent at room temperature.
It was also discovered that by using TO as a solvent, the marking ink does not deteriorate over time for 8 hours or more even if the marking ink remains in the syringe, leading to the present invention.
本発明に使用される顔料は、色調、及び螢光性の有無に
はとられれない。ただ、プリント基板は、緑色であるこ
とか多いので、プリンｔ・基板の緑色系統の色は望まし
くなく、橙色なと赤色系統、乃至は白色か望よｊ〜い。The pigment used in the present invention is independent of color tone and whether or not it has fluorescent properties. However, since printed circuit boards are often green, it is not desirable for the printed circuit board to have a greenish color, and it is preferable that the printed circuit board be orange, reddish, or white.
例えば、橙色の螢光顔料は市販品にあっては、ＮＫＰ−
８３０４、ＮＫＰ−９５０４（共に日本螢光化学製）、
また無機系白色顔料としては、最も代表的なものとして
酸化チタンかあり、市販品として５Ｒ−１１＜堺化学］
−業製）などがある。For example, commercially available orange fluorescent pigments are NKP-
8304, NKP-9504 (both made by Nippon Houkou Kagaku),
Titanium oxide is the most typical inorganic white pigment, and the commercially available product is 5R-11 (Sakai Chemical).
- manufactured by industry).
また、本発明に使用される低分子量のエチルセルロース
の市販品は、例えは、ＥＴＨＯＣＥＬ ＳＴＤ（１０）
（Ｄｏｗ ＣｈｅｌｌｌｉＣａｌ製） 、Ｅｔｈｙｌ
Ｃｅ１ｌｕｌｏｓｅ Ｎ−４（ＨＥＲＣ旧ＥＳ製）など
がある。Furthermore, commercially available products of low molecular weight ethylcellulose used in the present invention include, for example, ETHOCEL STD (10)
(manufactured by Dow ChelliCal), Ethyl
There are Ce1lulose N-4 (manufactured by HERC former ES), etc.
（作用）
本発明の、半田付は不良箇所用マーキングインタは、顔
料、低分子量エチルセルロース、及び１゛０とを用いて
造られる。(Function) The marking interface for defective soldering parts of the present invention is made using a pigment, low molecular weight ethyl cellulose, and 1'0.
該マーキングインクの溶剤として、ＴＯを用いたのは、
室温に於ける乾燥速度か十分に遅く、短時間のうちにシ
リンジの針先でインクが固化してしまうといっな問題を
生じないこと、更に、有機系顔料を成分とした場合でも
、かかる顔料に対して、膨潤、乃至は溶解といった作用
を生じないためである。TO was used as a solvent for the marking ink because
The drying speed at room temperature is sufficiently slow to avoid problems such as the ink solidifying at the tip of the syringe needle within a short period of time, and even when organic pigments are used as ingredients, such pigments This is because it does not cause effects such as swelling or dissolution.
すなわち、沸点が１６０°Ｃ以下の溶剤にあっては大概
、室温での乾燥速度か早いため、短時間のうちにシリン
ジの針先でインクが固化してしまう問題を生じる。更に
、高沸点溶剤の中でも一般的な、例えは、ジエチレング
リコールモノブチルエーテルアセテート（以後ＢＣＡと
いう）などは、溶解性か良好であり、有機系顔料を膨潤
させる傾向にあるため、顔料とプリント基板の密着性を
増加させる。この結果、後工程の溶剤での洗浄時に、マ
ーキングの被洗浄性を著しく阻害する。That is, most solvents with a boiling point of 160° C. or lower dry quickly at room temperature, resulting in the problem that the ink solidifies at the tip of the syringe within a short period of time. Furthermore, diethylene glycol monobutyl ether acetate (hereinafter referred to as BCA), which is common among high-boiling point solvents, has good solubility and tends to swell organic pigments, making it difficult for the pigments to adhere to the printed circuit board. Increase sex. As a result, the cleaning property of the marking is significantly inhibited during cleaning with a solvent in the subsequent process.
また、低分子量のエチルセルロースを成分としたのは、
室温、乃至は加温によりマーキングインクを乾燥させる
だけで、顔料を基板上に固着させる効果を持ち、しかも
インクに適当な流動性を付与し、テルペン系溶剤にて基
板の洗浄時には、単なる浸漬のみでマーキングを洗浄除
去することができる。In addition, low molecular weight ethyl cellulose is used as a component.
Simply drying the marking ink at room temperature or heating has the effect of fixing the pigment on the substrate, and it also gives the ink appropriate fluidity, making it easy to clean the substrate with a terpene solvent by simply dipping it. Markings can be removed by washing.
そして、本発明のマーキングインクの使用により、半田
付は後の基板洗浄工程に於いて、流動するテルペン系溶
剤に基板を浸漬する、乃至はテルペン系溶剤中で基板を
移動させることにより、該マーキングインク、及び゛半
田付は用フラックス残渣の両者を、僅かに一回の洗浄に
より、基板上より除去することか可能となった。By using the marking ink of the present invention, soldering can be done by immersing the substrate in a flowing terpene solvent or by moving the substrate in the terpene solvent in the subsequent substrate cleaning step. It is now possible to remove both ink and soldering flux residue from the board with just one cleaning.
（実施例） 以下本発明を実施例でもって詳細に説明する。(Example) The present invention will be explained in detail below with reference to Examples.
なお、文中の部は重量部を意味する。Note that parts in the text mean parts by weight.
実施例Ｉ
Ｔｏの９０部に対して、前記の低分子量のエチルセルロ
ース、ト４の１０部を秤取し、撹拌機にて室温において
約２４時間撹拌して、Ｎ−４をＴ。Example I To 90 parts of To, 10 parts of the above-mentioned low molecular weight ethyl cellulose, To4, was weighed out and stirred with a stirrer at room temperature for about 24 hours to convert N-4 to T.
に完全に溶解させて、１０部１％Ｎ−４のＴｏ温溶液作
成する。この１０ｗｔ％Ｎ−４のＴＯ溶液１００部に対
し、て前記のＮＫＰ−９５０４（橙色の螢光顔料）を８
０部加え、撹拌機にてよく撹拌して橙色のマーキングイ
ンクを得た。Completely dissolve in 10 parts 1% N-4 to prepare a hot solution. To 100 parts of this 10 wt% N-4 TO solution, 8 parts of the above NKP-9504 (orange fluorescent pigment) was added.
0 part was added and stirred thoroughly using a stirrer to obtain an orange marking ink.
このようにして得なマーキングインクをシリンジに入れ
、基板上の半田付は不良の箇所のそばにマーキング［７
な。半田付は不良箇所を修正の後、流動させたデルペン
系溶剤ＥＣ−７（ペトロファーム製）洛中に、約５１Ｊ
′ｒ間浸漬しな。該溶剤浴より取り出しな基板にはマー
キングインクやフラックス残渣が全く付着しておらす、
完全に洗浄が成されていた。In this way, put a good marking ink into the syringe, and mark the solder on the board near the defective part [7].
Na. For soldering, after correcting the defective parts, I used fluidized Derpene solvent EC-7 (manufactured by Petrofarm) in Rakuchu, about 51J.
Do not soak for 30 minutes. There is no marking ink or flux residue attached to the substrate before it is removed from the solvent bath.
It had been completely cleaned.
実施例２
ＮＫＰ−９５０４に代えて、前記の白色顔料、５Ｒ−１
Ｔの７０部を用いて、白色マーキングインクとじ５な以
外は、実施例１と同様の方法でマーキングインクを得た
。Example 2 In place of NKP-9504, the above white pigment, 5R-1
A marking ink was obtained using 70 parts of T in the same manner as in Example 1, except for binding the white marking ink.
更に、実施例１と同様の方法で被洗浄性の評価を行い、
完全に洗浄が成されていることを確認した。Furthermore, the washability was evaluated in the same manner as in Example 1,
I confirmed that it was completely cleaned.
比較例１
マーキングインクの溶剤と１〜てＢＣＡの同重量部と、
ＮＫＩ”９５０４の７０部を用いた以外は、実施例１と
同様の方法でマーキングインクを作成した。Comparative Example 1 Marking ink solvent and 1 to 1 to 1 parts by weight of BCA,
A marking ink was prepared in the same manner as in Example 1, except that 70 parts of NKI"9504 was used.
更に、実施例１と同様の方法で被洗浄性の評価を行った
が、マーキングインクか完全に洗浄されていなかった。Furthermore, the cleaning property was evaluated in the same manner as in Example 1, but the marking ink was not completely cleaned.
比較例２
マーキングインクの溶剤としてキシレンを用いた以外は
、比較例１と同様の方法でマーキングインクを作成し、
シリンジに入れて基板Ｆの半田付は不良箇所のそばにマ
ーキングした。しかし、このマーキングインクはシリン
ジ中に残留固化し、約１時間後には使用不能となった。Comparative Example 2 A marking ink was created in the same manner as in Comparative Example 1, except that xylene was used as the solvent for the marking ink.
I put it in a syringe and marked the soldering part of board F near the defective part. However, this marking ink remained solidified in the syringe and became unusable after about 1 hour.
更に、実施例１と同様の方法で被洗浄性の評価を行った
が、マーキングインクか完全に洗浄されていなかった。Furthermore, the cleaning property was evaluated in the same manner as in Example 1, but the marking ink was not completely cleaned.
（発明の効果）
以上、実施例、及び比較例で説明したように、本発明の
マーキングインクは、被洗浄性に秀れ、しかも固化し離
い、半田付は不良箇所用マーキングインクである。(Effects of the Invention) As described above in the Examples and Comparative Examples, the marking ink of the present invention has excellent washability, hardens and separates, and is a marking ink for use in soldering defects.
しかも、このマーキングインクを用いて、半田付は不良
箇所にマーキングし、半田付は不良箇所を修正の後、溶
剤で該マーキングインク並びに半田付は用フラックス残
渣の両方を、基板上より同時に洗浄除去させることかで
きた。What's more, this marking ink is used to mark defective soldering points, and after correcting the defective soldering points, both the marking ink and soldering flux residue are removed from the board at the same time using a solvent. I was able to do it.
特許出願人 伯 東 株 式 会 社（外３名）Patent applicant Higashi Higashi Kaisha Ltd. (3 others)
Claims (2)
２〜２０重量部、α−ターピネオールを７０〜１５０重
量部の割合の配合物を主成分とするマーキングインク。1. A marking ink whose main components are a blend of 2 to 20 parts by weight of ethyl cellulose and 70 to 150 parts by weight of α-terpineol per 100 parts by weight of pigment.
基板上の半田付け不良箇所にマーキングし、半田付け不
良なる箇所を修正の後、溶剤で該基板を洗浄することに
より、該マーキングインク並びに半田付け用フラックス
残渣を共に基板上より除去するマーキングインクの使用
方法。2. Using the marking ink according to claim 1,
A marking ink that marks defective soldering points on a board, corrects the defective soldering points, and then cleans the board with a solvent to remove both the marking ink and soldering flux residue from the board. how to use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2191062A JPH0476072A (en) | 1990-07-19 | 1990-07-19 | Ink for marking part that has not been soldered well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2191062A JPH0476072A (en) | 1990-07-19 | 1990-07-19 | Ink for marking part that has not been soldered well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0476072A true JPH0476072A (en) | 1992-03-10 |
Family
ID=16268250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2191062A Pending JPH0476072A (en) | 1990-07-19 | 1990-07-19 | Ink for marking part that has not been soldered well |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0476072A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005118649A1 (en) * | 2004-05-26 | 2005-12-15 | Dow Global Technologies Inc. | Production of low molecular weight ethylcellulose |
-
1990
- 1990-07-19 JP JP2191062A patent/JPH0476072A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005118649A1 (en) * | 2004-05-26 | 2005-12-15 | Dow Global Technologies Inc. | Production of low molecular weight ethylcellulose |
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