日本千住著力开发出更具特色、更具市场价值及发展超势所需的产品——21世纪环保电子行业内必需产品——M705-S101HF-S4(无卤素锡膏) 它是在原M705-GRN360-K2-V的基础之上改良,卤素在RECAH規定之內,且品质一流,是众多电子厂家选择的必经之路。
1.Scope
This specification covers the solder paste,
ECO SOLDER PASTE M705-S101HF-S4, using lead-free solder alloy, used for
wiring connection and so on, of electrical and electronic parts.
2.Standard
2.1 Chemical composition of solder alloy (Test method :STM-9 )
Composition and impurities are prescribed as following tables.
Composition ( mass% )
Ag Cu Sn
3.0 ± 0. 1 0.50 ± 0.05 Balance
Impurities
less than mass% mass% o r less
Pb Cd Sb Bi Zn Fe Al As
0.05 0.002 0.10 0.05 0.001 0.02 0.001 0.03
In Ni Au
0.02 0.0 1 0.005
Date of Establish or Revision Approval
Q. A . Dept. Manufacturing Dept.
Established on
T. Sakuma Y . Kawamata
2.2 Performance and standard
2.2.1 Table 1
Items Performance ? Standard Test Method
It shall not have separated flux,
Appearance and shall be in a smooth paste STM-1
state.
Flux content (mass%) 11.5 ± 1.0 STM-5
Viscosity of solder 190 ± 30 STM-7-8
paste (Pa ?s)
Grain size of powder 36 ~ 25 STM-12-4
( μm )
Copper plate Shall be passed STM-28-1
corrosion test
Insulation resistance Ordinary state 1 × 1012 or more STM-30-8
( Ω) After humidifying 1 × 1011 or more
Solution resistance 100 or more STM-32
( Ωm)
Reflow property No unmelted solder nor black STM-34
Items Performance ? Standard Test Method
Halide content 0.02 (200 ppm.) or less
Note 1) Mass convert as flux content to STM-27-7
(mass %) be 100 %
Br : 0.09 (900 ppm.) or less
(Brom)
Cl : 0.09 (900 ppm.) or less
Halogen content (Chlorine)
(mass %) Total content of Br and Cl ; Note 2)
0.15 (1500 ppm.) or less
Mass convert as flux solid content
to be 100 %
Note 1): Ion, among halogen compounds.
Note 2) : As correspond to 「ET-7304」, 「EN 14582 」,
「IPC-TM-650 2.3.4 1 」, and so on, measurement by
ion chromatography which made combustion decomposition
of the specimen as a pretreatment.
Note 3): This product contains halogen activator within content range
above.
2.2 Melting temperature range and specific gravity of solder alloy
(Reference value)
Melting temperature range ℃ Specific gravity
Approx . 217 ~ 220 Approx . 7.4
3.Inspection Report
A n inspection shall be carried out o n each production lot about following items ①
through ④, and the Inspection Report in which result is mentioned shall be
attached at the time of delivery.
① Chemical composition of solder alloy
② Viscosity of solder paste
③ Flux content
④ Halide content in flux
4.Packaging ? Indication
4.1 Packaging
Container : Jar
Net mass : 500g or designated mass
4.2 Indication
The following items shall be indicated on the container with label.
① Product name
② Composition of solder alloy
③ Manufacturing date
④ Lot No.
⑤ Net mass
⑥ Validity
⑦ Patent No.
⑧ Precaution
⑨ Manufacturer's name
5.Guarantee period
The guarantee period of this product shall be six months from the manufacturing
date, in a refrigerator (0~10℃) when unopened as it is.
6.Precautions fo r safety
Stated in the separate documents, 「Instruction Manual」and「Material Safety
Data Sheet 」.
7.Regulations
Stated in the separate documents, 「Instruction Manual」and「Material Safety
Data Sheet 」.
8.Precautions in handling, storing, and disposing
Stated in the separate documents, 「Instruction Manual」and「Material Safety
Data Sheet 」.
9.Regarding to environmental substance
This product conforms to RoHS Directive.
However, Pb and Cd are contained as an impurity of solder alloy,
but the content is controlled to be less than 0.05% (500ppm) for Pb and
0.002% (20ppm) fo r Cd.
10.Others
① We cannot guarantee the result of use nonconforming to or unspecified in
this specification.
② You are requested not to pulge to any other company or publicize any
matter related to this specification.
11.Test Method
STM-1 Appearance
Appearance shall be confirmed by visual observation as to the content specified
by the applicable standard.
STM-2 Mass
Weighing shall be conducted using a weighing apparatus having a minimum
graduation less than 5/10000th of the maximum weighing capacity.
STM-5 Flux Content
According to 「JIS Z 3197 Testing methods for Soldering Fluxes 」.
STM-7-8 Fluidity Property Test
Adjust the temperature of sample to 25 ℃ with PCU rotational viscometer made
by Malcom Co., Ltd. and measure the value at speed of revolution and time
shown in below table , and let the value A be viscosity value.
And find the thixo-ratio from result of measurement.
rpm. 10 3 4 5 10 20 30 10
min. 10 5 2 2 2 2 2 1
Viscosity A
STM-9 Chemical Composition
According to 「JIS K 0116 General rules for atomic emission spectrometry 」or
to 「JIS Z 3910 Methods fo r Chemical Analysis of Solder 」.
Senju Metal Industry Co.,Ltd.
STM-12-4 Grain size of Powder
Measurement shall be taken with the Microtrac Particle Size Analyzer.
STM-27-7 Halide Content
According to 「JIS Z 3197 Testing Methods for Soldering Fluxes 」.
STM-28-1 Copper Plate Corrosion Test
According to 「JIS Z 3197 Testing methods for Soldering Fluxes 」.
However, test pieces shall be made as follows;
Print solder paste o n copper plates φ10 mm and 0.3 mm thick , reflow them by
preheating fo r 20 sec. at solidus line temp . -30 ℃ and heating regularly for
4 0 sec. at liquidus line temp . +50 ℃, and cool.
STM-30-8 Insulation Resistance
According to attached book 3 of JIS Z 3284, Solder paste.
However, test condition shall be as follows ;
Temperature 4 0 ± 2 ℃、Relative humidity 90 ~95 %、168 hrs., and
measurement of resistance shall be done with take the specimen out of chamber.
STM-32 Solution Resistance
According to 「JIS Z 3197 Testing methods for Soldering Fluxes 」.
STM-34 Reflow Property
Print solder paste proper quantity o n copper plate whic h 30 mm × 30 mm, and
heat fo r 15 sec. at liquidus line temp . + 50 ℃ on a solder bath or hot plate.
Afte r cooling, examine visually whether there is any black product o r unmelted
solder powder on the solder surface or not.