JPS5954461A - Device for removing solder - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION According to the present invention, for example, when a 7 liter 1 g of 1 inch 1 liter in an electronic circuit is to be broken, the molten Jl by heating is applied to the capillary attraction. 1. C10, which is used to absorb waste, is a removal device.

X'll + 111 state (, /.-, desoldering moon body, for example, US t} effect 'Giant A', 3 G 2 7
1 9 1-νjioyohimotomanakinagisaσ) United States! 1 prize. 1′
1 Hl81575, No. 4. 1 6 4. 6 0
G Shisuke (It will be shown.) (・``It is well known,
) Part 1: -1 mind body! /-J elongated 11:1-like 1'jt+: 5S'. The body = 2,111↓ is formed (then flattened), and solder flux (for example (θ'1-1 gin) is applied to it to increase the wettability of the bare body with molten solder). 'Ωsa Jl, da6' is made of copper wire (original &, l, sharei hetoyo k).When used, one end of the composed wick is melted into the kit,
Solder I/When soldered, the solder is inside the gap between the wires
＼hair + tllll ['i is absorbed by gravity]'L.

In fact, it is observed that the gaps between adjacent strands of strands are relatively small. 11, cylindrical jz in the main gap
i2:lL7'i-(L-shaped, flattened) Although there is a volume in the structure, the molten solder must pass between adjacent (-) strands of laces (/4 Therefore, the flow of solder is slow because only this bond Vζ can be reached.In fact, when performing the desoldering operation, C
Remove the solder (1), place the protruding l, (2) the gland) and wipe it together with the tip of the soldering iron (175) to complete the braid at the end of the wick. It always happens that the ends of the wick are fanned out by the end of the wick, and the strands fan out and create a widening / ζ gap, according to the 11th Ming. consisting of at least one strand, woven, woven, knitted, knitted,
cloche i1'111i (l〈=formed from 41, at least its:ri)・n,・1・θ)J<' plane, metal 1/■(=, (・,1 person 77 flannox (r+= Authored work 1'l t is really expensive, part 1-2 is actually (・ko, melting Q-1
Further, the present invention provides a solder removal tool consisting of an open mesh structure coated with solder and solder flux that dries easily.し(]'', it consists of at least one land, woven, 4c', yori, composition, merry-lace knitting,
Or is it an open mesh structure formed by crochet stitch?

A soldering method using a mounting part consisting of 1jt is provided ;)-L
7: JOd, a relatively large gap for solder absorption occurs when the strands are adjacent to each other or when the strands touch each other.
It is valid unless there is contact or contact.

The desired [- structure (/, 1,, consists of eight elongated cylindrical structures formed in stockinette knitting). , Series F] 1, edited by Mary Su (mechanical machine 4, when it is operated, 1, a long and slender oily fi't 5'r is formed 71, its structure!
1X then (S'-' between the rollers: (i'l, or (', simply winding it up on the reel) and setting it at an angle of 51, -, open mesh structure f, 2T shows the advantage of having a relatively large size gap in the reservoir to receive molten solder, more solder, improved efficiency and economy 1) I-, 11 copper 91 is absorbed by the strands.The process of stockinette knitting makes it possible to construct wicks of at least a certain length within a given time interval. , arrogant to form J6 body
[iF] to be able to do that. The wick may also be used commercially with a circuit board (τ contact +-. to remove L/l from the entire area of the board) in place of the elongated structure.

Open mesh still has an advantage in its tens of G's.

-Mu 1 (... Maniko Nawayorisa J and i edition May swamp elephant accepts solder flux in 1, Bami, or Q-,
Oxide layers and other contaminants that inhibit molten solder must be cleaned. Cleaning may be carried out by heating the wick in a vacuum, or in a reflux gas, gas or non-monocytic gas. However, the composition structure of the prior art in which adjacent strands are in contact allows gas to easily pass from or into the cylindrical structure; The outer surface is the same as the outer surface.

Chemical cleaning is optionally used to remove the prior art 11-structure Kt3-contacted strands Q1, 64 iflr. Sweat clumps (Jl)
11 Hehe, O 31, and internal passage of ■゛・ are suppressed. Inside the braid i''.1

Is it necessary to do a lot of tin washing to remove Purification Science Rules Jr. 1? It will be 12, tL:ket
l. , & sun, sonegayumi r〕s 1. 'c? i dyed and aro). Ratio 1 punch 1-. - horn, to, book'
．． ;, 2 Akira (・4, 1:ru Osif t1'';'
The test may be carried out by heating in vacuum, in an inert gas, or in a reducing gas (e.g. JJfC at 110, when the wick becomes red hot), or at
J. By using a chemical cleaning agent and then rinsing 61-, wash the j' A small amount of energy is required for the resistance heating method.

Part -1-, the composition of the preceding one was 7, and the wick was 1,
Simply immerse it in a solution containing rosin:. li
+!・, i) (Steamed'=; However, in the composition of the prior art wick, the penetration of Ll would be slow and not complete. ostensibly a rapid approach, followed by application of hot air, or by placing the body in a vacuum.
- Speed up drying.

Furthermore, after the open mesh structure is formed, the strands are coated with copper (or alloyed with C-1, 6L' in my U.S. Pat. No. 4,164,606). There is also 1-cho Noh, this J two-shiko, S1
Clean copper coating improves the entire surface of Helland! 0 to be ignored
, for example, the structure may be formed from chemically analyzed copper strands, or alternatively from copper clad strands (or even low-cost fully flexural strands). of a non-metallic filament) and each (
A Ninorax is used once.

The mesh structure according to the present invention is made of copper
', , r, = Due to the low content of wick, a wick body composed of the prior art ', rim, for heating', ri small watsut) ii- may be required. It will be recognized.

Embodiments of the present invention will be described with reference to the accompanying drawings.

First of all, regarding the first design (-7), the composition of the prior art is that the wick body 11 is composed of a cylindrical structure, and then the lamina is J1/, - 12 of the A row is touched. It consists of a group of 10.12 copper wires.
1-Improving the method] i=, , 1/) fanned out (-as described above): 1 The end 13 of the wick is also shown. Next, Figure 2 (/1'2)
(Two-way stockinette knitting paste, l Shingai, Ren i: 'A',
The wick consists of 20 strands of copper which are formed into a cylindrical open mesh (-f'i design) and sold into a flattened form. body d, adjacent 7'
# - If the strands do not touch and have an open structure that absorbs the molten solder, then instead,
It may be formed by a crochet stitch, or alternatively, an open mesh structure may be formed by weaving or composition, as appropriate. After washing, strand 2
0 is the flux that completely rubs the wick.
The copper strands 311 are first coated with a flux coating (copper, or U; 1, tin, or low-grade metals such as lead-lead alloys). (For alloys with melting point) Namiike Sa 71. Then #'v = -2. In Part 1 ~, in fact,
The strands are coated with one of the following metals: Noratu, Kusu-coated i'adachi'' - low flll! It may also be made from gold or non-metallic filaments. Instead of the elongated shape shown, the body is
It could be formed into a pad shape (・).

(A'+ 2 figure (・5- As shown in 4 [stockinette knitting 11, strand l: i'j 4-nai-(X゛ exists. ('.), 1 + n
+n or more -1 (1) diameter, stockinette knitted IJil (
・There would be a risk of destroying the 1, J <, strand [・, and 0. 2 From 5111111-1-, the stockinette edition (Ikuri no machine (1j)
csuj1^1girute・araru.

However, the inner diameter range U'', the type of stockinette arm 11 machine ((- varies depending on the stockinette knitting machine (r
For example, an oily structure with a diameter of about 2 mm to 25+ nm or more than C; (:! Samurai, 1 in the cylinder
−, flattened between rollers. The method of plan 1 or mesh is determined by t'4 selected diameter and family 1's old (-sorted machine σ) button's late name, and thus VC, 2, 3 ,4,6.8 or tl2 or soJq
If the needles are knitted in a knitting dot t'1, then this '1 will be the number of layers per circumference. The larger the number of hooks for a given diameter, the larger Jl will be 6n, and the j per medium length.
't The number of Ll becomes thicker, and the 71st number of ii' becomes smaller. In the example shown in FIG. 2, strand i+ was a copper strand with a diameter of 0.1. ynm, and the production rate was l 3 Q rr+ per hour.

Stockinette knitting QJ, cotton, wool, silk, -)゛I11,
It is possible to carry out with all types of threads consisting of acrylic, glass, metal and λ'1. ,
If it's metal, it must be something that bends easily like copper.
lba/, don't talk, -, metal stockinette horn - kJ
- , gold 1.jl causes a bigger 1≠粲 while hanging on the machine () & 7! :) Since ffc, the driving parameters such as light control should be adjusted to maturity. 1. Ori! A V-knit that is essentially the same as stockinette knitting of a snout or similar yarn. Non-gold 1. De's thread (/ko. 1, knitted stockinette)
Of course, the wick body must be metallized following the Jl.
, it would be lP.

[Brief explanation of drawings]

Figure 1 (detailed view of one end of the composition wick of the previous 1j technology)
．． 7. Front view, Figure 2 Q, detail 1 of the stockinette knitted wick for books and paper
111＼γ、The drawing is 0 1 (, 1, t 2・Y"<J contact steel cable group 13...
...Edge of the wick 20 ...] Bebetkland Applicant τ Runst Spirit (4 others)

Claims (1)

[Scope of Claims] ■) at least one surface of which is metallic and covered with solder flux If (receptive); Stranded: 20 stockinette knits, or 1 woven, no combination, composition, or crocin'-fht f/n
= 1, formed open metsunoko. 11♂f pickles'
11. (=7F-solder removal device jf?1'..2) i'llll The desoldering device according to item 1 of the patent claim, characterized by a long, flat cylindrical structure. :3) 'Ill'R featuring a pad-shaped 41 hem structure
'l - Claims - Solder removal device described around B1. ll) A land 20 is carved in the oven menosh groove Jl/ζ and then copper-coated Il. before receiving the flux. 7'Here! Any one of the above-mentioned IRlj claims characterized by A1F (/(2-described/TE. desoldering device. 5) where the base 1 and the land 20 are non-metallic Neiramen).
To be realized (!Characteristic patent claim ・IIi), box;
J"r・II1!lv (written J tl, solder removal equipment 1st, 6) S1 land 20, r) 'J H self open met': 1t1mu<dry (tj February -' 2FJisa1)ta1
Outside and convex II1, alloy coated before taking the Nora Nox! 411 where 1 is a 7rlJ- sign
D1□'lClaim 1 no old 1! , I, 2 and buy t:
1, 3, 1self (ノ) し・), tl かし(-written;
llft-kl, A, ta removal device (,