Semiconductor Grade Polyimide Plastics

Featuring Altymid® the Vespel® Alternative

Altymid® Polyimide Application Data

  • LOW ETCH RATE
  • LOW EXTRACTABLES
  • COST EFFECTIVENESS
  • EXCELLENT ELECTRICAL PROPERTIES
  • EXCELLENT MECHANICAL PROPERTIES
  • SERVICE TEMPERATURE UP TO 300°C
  • WIDE RANGE OF PLASTIC COMPOUNDS
  • CAN PROVIDE PRODUCTS AS BLANKS, NET MOLDED SHAPES, OR FINAL MACHINED PARTS

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ALTYMID® 750
TYPICAL PHYSICAL PROPERTIES

PROPERTIES ALTYMID® 750 Units ASTM Method
Tensile Strength 9,500 psi D-638
Elongation 4.5 % D-638
Flex Strength 13,500 psi D-790
Flex Modulus 400,000 psi D-790
Coeffiecient of Linear
Thermal Expansion
(0-572°F)
(572°F - 77°F)
2.67 x 10-5
2.74 x 10-5
in/in/°F E228
Specific Gravity 1.42    
Hardness 84
93
Shore D
Rockwell M
D-2240
D-785
Dielectric Strength
Short Time
433
(121 mils thick)
V/mil D-149
Dielectric Constant
100 HZ
10 KHZ
1 MHZ
3.03
3.02
3.22
  D-150
Surface Resistivity 7.13 x 1015 Ohms D-257
Volume Resistivity 1.03 x 1016 Ohm-m D-257

WEIGHT CHANGE COMPARISON

Weight Change Comparison 1.TIF (81398 bytes)

PLASMA TEST
Silicide etching            WSi
Chemistry:                    CI2/O2/N2
Pressure (mTorr):         4
Power RF (Watts):        700
Bias RF (Volts):           100
Exposure Time (sec):   600


RATE (g/sec)
Compound Pre-Weight (g) Post-Weight (g) Weight gain/loss x E-06
Altymid 750 0.14034 0.14020 -0.00014 -0.23
Vespel* SP-1 0.12993 0.12925 -0.00068 -1.13
 

Weight Change Comparison 2.TIF (81466 bytes)

PLASMA TEST
Silicide etching            WSi
Chemistry:                    CI2/SF6/O2/N2
Pressure (mTorr):         4
Power RF (Watts):        500
Bias RF (Volts):           100
Exposure Time (sec):   600

RATE (g/sec)
Compound Pre-Weight (g) Post-Weight (g) Weight gain/loss x E-06
Altymid 750 0.14034 0.14020 -0.00014 -0.23
Vespel* SP-1 0.12993 0.12925 -0.00068 -1.13

ALTYMID® 750
ELEMENT BULK ANALYSIS

ELEMENT AMOUNT UNITS
Antimony 6.3 ppb
Arsenic 2.4 ppb
Barium 1.6 ppb
Bromine 458 ppb
Cadmium 210 ppb
Cerium 39 ppb
Cesium 13 ppb
Chromium  878 ppb
Cobalt 24 ppb
Europium 5.9 ppb
Gold 0.15 ppb
Hafnium 6.8 ppb
Iridium 0.26 ppb
Iron 6200 ppb
Lanthanum 2.7 ppb
Lutetium .43 ppb
Molybdenum 25 ppb
Nickel 3000 ppb
Potassium 0.5 ppb
Rubidium 240 ppb
Samarium 0.2 ppb
Scandium 0.9 ppb
Selenium 76 ppb
Silver 38 ppb
Sodium 240 ppb
Tantalum 10 ppb
Tellurium 97 ppb
Terbium 5.3 ppb
Thorium 7.1 ppb
Tin 4200 ppb
Titanium 15 ppb
Tungsten 5.5 ppb
Uranium 8.0 ppb
Ytterbium 2.5 ppb
Zinc 407 ppb
Zirconium 2200 ppb

Tested by Neutron Activation


ALTYMID® 750
EXTRACTABLE ELEMENTS IN UPDI WATER @ 80°C FOR 14 DAYS

ELEMENT AMOUNT DETECTION LIMIT UNITS
Aluminium 0.21 0.05 ppm
Antimony * 0.02 ppm
Arsenic * 0.20 ppm
Barium * 1.01 ppm
Beryllium * 0.04 ppm
Bismuth * 0.04 ppm
Boron * 0.50 ppm
Cadmium  * 0.03 ppm
Calcium * 3.0 ppm
Cerium * 0.01 ppm
Cesium * 0.02 ppm
Chromium * 0.03 ppm
Cobalt * 0.02 ppm
Copper 0.07 0.05 ppm
Dysprosium * 0.04 ppm
Erbium * 0.02 ppm
Europium * 0.02 ppm
Gadolinium * 0.04 ppm
Gallium * 0.04 ppm
Germanium * 0.05 ppm
Gold * 0.05 ppm
Hafnium * 0.03 ppm
Holmium * 0.01 ppm
Indium * 0.02 ppm
Iridium * 0.06 ppm
Iron 5.30 0.10 ppm
Lanthanum * 0.01 ppm
Lead * 0.05 ppm
Lithium * 0.03 ppm
Lutetium * 0.01 ppm
Magnesium 0.08 0.08 ppm
Manganese 0.19 0.03 ppm
Mercury * 0.05 ppm
Molybdenum * 0.05 ppm
Neodymium * 0.02 ppm
Nickel * 0.05 ppm
Niobium * 0.02 ppm
Osmium * 0.02 ppm
Palladium * 0.06 ppm
Platinum * 0.08 ppm
Potassium * 5.0 ppm
Praseodymium * 0.01 ppm
Rhenium * 0.06 ppm
Rhodium * 0.02 ppm
Rubidium * 0.01 ppm
Ruthenium * 0.05 ppm
Samarium * 0.04 ppm
Scandium * 0.20 ppm
Selenium * 7.0 ppm
Silicon * 50 ppm
Silver * 0.03 ppm
Sodium 2.7 0.06 ppm
Strontium * 0.01 ppm
Tantalum * 0.02 ppm
Tellurium * 0.04 ppm
Terbium * 0.02 ppm
Thallium * 0.05 ppm
Thorium * 0.02 ppm
Thulium * 0.01 ppm
Tin * 0.02 ppm
Titanium * 0.05 ppm
Tungsten * 0.02 ppm
Uranium * 0.02 ppm
Vanadium * 0.03 ppm
Ytterbium * 0.03 ppm
Yttrium * 0.02 ppm
Zinc 0.16 0.06 ppm
Zirconium * 0.05 ppm

*Element was not found above the detection limit

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Marco Rubber & Plastics
PO Box 1150
Seabrook, NH 03874

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