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99.999% Pure and Alloyed Al Products
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5N products are mainly produced using vertical continuous casting as alloyed materials with an ultra pure basis for the semiconductor industry. Ingots, billets, wires and rolled plates are obtained.
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99.999% Pure and Alloyed Al Products
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5N5 Aluminum Alloys for sputtering targets (GIGALLOYS 98)
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Main features of GIGALLOYS 98
Low impurities content
Uniformity of composition of alloying elements within the whole ingot
Homogeneity of the fine grain size (PECHINEY patent)
Low hydrogen content
Low content of inclusions
Low alpha emitters (U, Th) content
During several years, PHP has developped new processes and products in order to answer and sometimes anticipate the end users concerns.
In order to understand the correlation between the use of our sputtering targets and the steps of manufacturing processes, we propose the total traceability concept with the GIGALLOYS 98 generation
Dimensions :
ingot D 130 x L 600 mm
ingot D 136 x L 600 mm
ingot D 190 x L 600 mm
ingot D 215 x L 600 mm
Each ingot is marked with its own traceability (process, controls, weight...)
GIGALLOYS are produced using patented processes : FR2744805, US5955673, US5887481, Taiwan 105486. Pending patents in Japan : 115242/96 and 9-529039
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5N5 Aluminum Alloys for sputtering targets (GIGALLOYS 98)
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4N 3 layers aluminum billets
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Billets are produced using vertical continuous casting
Compositions : 4N8 to 5N5 pure
RRR Specification :From 700 to 5000, typical spec > 1500
Dimensions :
Extrusion scalped billet D 190 mm x L 480 mm
D 225 mm x L 480 mm
D 147 mm x L 600 mm
(extruded wire is also available)
Quantity :Batches of 4 tons
Certificates :
GDMS analysis
RRR Measurement
UT inspection
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4N 3 layers aluminum billets
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Bonding Wires for semiconductor components
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5 mm wire in produced by extrusion from 5N pure and 5N alloyed billets in order to assure the best properties to the bonding wire (corrosion resistance, mechanical strength, maximum yield of drawing)
22 kg coil is the standard size.
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Bonding Wires for semiconductor components
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5N Pure and Alloy Ingots for sputtering targets
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5N Miscellaneous
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Several niche markets for 5N material need very specific pure and alloys either for the composition control or the shape. PHP is known for helping the most demanding customers in their market.
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5N Miscellaneous
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Electrorefining
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Electrorefining (the 3 layers process) is used for refining aluminum for 4N and 5N materials
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Electrorefining
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5N pure and alloyed Aluminum wires
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Bars, wires and rods are extruded from billets of 5N pure and alloys
Various dimensions are available : 5 mm (in coil 22 kg) , 9 mm, 40 and 50 mm diameter
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5N pure and alloyed Aluminum wires
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Nuclear Industry
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Nuclear industry is supplied with extremely pure aluminum (5N8 to 6N5) for special applications with very low emitters contents.
Shapes and dimensions are made on special requirements.
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Nuclear Industry
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PECHINEY HIGH PURITY
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PHP is a worldwide provider of High Purity Aluminum products. Purification, alloying and continuous casting are the main issues of PHP.
Purity levels go from high grade Al 99.95% (3N5) for reflectors through 99.99% (4N) for the capacitor market up to 99.9995% (5N5) for the integrated circuits (sputtering targets)
Pechiney High Purity is the only worldwide producer who can guarantee traceability for its high purity metal from ore extraction down to the sale of its ultra-pure billets.
PHP is a division of ALUMINIUM PECHINEY with 100 people between 3 plants:
Auzat (HP primary Al)
Mercus (4N and 5N refining plant)
Lannemezan (HP primary Al and HP products casthouse 3N5 to 4N8)
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PECHINEY HIGH PURITY
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5N Aluminum Flat Rolled Products for sputtering targets
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Rolled plates are produced using the biggest rolling mill at Pechiney in order to assure the best consistency of grain size. PHP is able to deliver various purity grades from 3N to 5N, including alloys
Purity
99.99% up to 99.999%
Compositions:
Pure Aluminum
Alloys Al Si 1% and Al Si 1% Cu 0.5%
Other compositions are to be studied
Thicknesses (as rolled) : 8 mm , 12 mm ,19 mm
25 mm
Dimensions :Various dimensions are available
950 x 830 mm
1200 x 1200 mm
1300 x 1300 mm
Microstructure: Fine grain size (< 1 mm on pure and < 100 microns for alloyed material)
Recrystallized microstructure
Certificates
GDMS analysis
Ultrasonic inspection on 100% of the surface
Microstructure characterization
TFT Plates are produced using patented processes : FR2744805, US5955673, US5887481, Taiwan 105486. Pending patents in Japan : 115242/96 and 9-529039
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5N Aluminum Flat Rolled Products for sputtering targets
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5N5 Pure Aluminum for remelting
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99.9995% material is available several qualities :
5N0 ingots
5N5 filtered ingots for vacuum furnaces
5N5 raw segregated material
Shape and dimensions : ingot D 100 x L 760 mm, easily handled by operator to fill melting furnaces.
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5N5 Pure Aluminum for remelting
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Refining Processes
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Presentation of purification processes of pure aluminum. These processes are used for production of 4N and 5N material
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Refining Processes
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5N Mother alloys
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Mother alloys are used mainly in vaccum furnaces for the production of 5N5 alloys
Special compositions can be supplied on request, such as Al Si 12.5%, Al Cu 4%
Products are cas using the vertical continuous casting in order to obtain the best homogeneity of the mother alloy.
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5N Mother alloys
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Segregation Process
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The PECHINEY Segregation process is used for refining high grade aluminum for 4N and 5N products.
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Segregation Process
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