Differences

This shows you the differences between two versions of the page.

--- equipment:lapping:start [2014/10/04 04:22] – mcmaster
+++ equipment:lapping:start [2019/03/20 07:47] (current) – mcmaster
@@ Line 1: / Line 1: @@
-====== Professional (bench top) ======
+[[:delayer:lapping|How to use]]
-In the professional category doesn't mean its a nice machine.  More that it looks sturdy, has features, etc.
+[[:equipment:lapping:type|Machine types]]
-===== MTI =====
+[[Vendor]]
-Looks like they sell some nice machines and jigs for reasonable prices
+FIXME: general clean up
-Machines:
+TLDR: buy this machine if you have a lot of money
+* Sagitta Centar Frontier
+* https://www.texplained.com/icinsidelab/sagitta/
+* https://www.texplained.com/icinsidelab/
+* https://pbs.twimg.com/media/C4jFpp3WEAQD5N7.jpg
-    * EQ-Unipol-800: 8" basic / economy table top lapping machine, list $965
-    * EQ-Unipol-830: slightly nicer version of above, list $1395
-    * EQ-Unipol-810: much nicer version with York support and such, list $3395
-    * EQ-Unipol-820: dual 8", list $2495
-    * EQ-Unipol-802: high end 8", list $5996
-    * EQ-Unipol-1210: 12", list $2096
-    * EQ-Unipol-1202: high end 12", list $6950
-    * EQ-Unipol-160D: double sided 2", list $8950.  Notes that plates are made of stainless
-Jigs:
+====== Parallel polishing ======
-    * EQ-PF-3H1W2: economy 1" sample jig, list $320
+Basically the following are of interest:
-    * EQ-PF-2-1: high precision, list $900
-    * EQ-PF-4-1V: fancy pneumatic version of above, list 1495
-===== Logitech =====
+    * Allied High Tech
+      * Machine w/ jig
+        * Ex: TechPrep system
+        * Looks to be a good, compact option
+    * Lapmaster
+      * Machine
+        * Large for wafer polishing?
+      * Jig
+        * Intended for wafer polishing
+        * Ex: AccuPol
+    * Logitech Ltd
+      * Looks to be the highest quality on the market
+      * Machine
+        * With motorized arm, timing controls
+        * Ex: LP50
+      * Jig
+        * Precision three point
+        * Ex: PP6
+    * MTI Corporation
+      * Machine
+        * With non-motorized arms
+        * Ex: EQ-Unipol-802
+      * Jig
+        * Standard parallel fixture
+        * Ex: EQ-PF-4-1V
+    * South Bay Technology
+      * Machine
+        * With motorized arm
+      * Jig
+        * Many options
+        * Simple three point
+    * Ultratec
+      * Machine
+        * Ex: ULTRAPOL Advance
-Machines look to be top quality benchtop.
+Other:
-Machine:
+    * Struers has a tripod polishing fixture but its more for TEM analysis
-    * PM2: older benchtop
-    * PM2A: older benchtop
-    * CPM2: older benchtop
-    * BC 3000: 3 plate large "vacuum bonding system"
-    * A82471 1WBT2: 3 plate large "station wafer bonder"
-    * G69555 1WBS2: 3 plate large "wafer substrate bonder"
-    * A69510 1WBT2: 3 plate large "wafer substrate bonder"
-Jig:
-    * PP 5: "precision lapping and polishing jig", eBay BO 4200
-===== Ultratec =====
-These machines look nice.
-Machine:
-    * Ultrapol 1200
-===== PR Hoffman =====
-    * PR2: benchtop unit?
-===== STRUERS =====
-Machine:
-    * TEGRAPOL 15: looks like a nice unit with LCD, serial port, pump etc
-    * "PEDEMAT ROTOPOL 2 AUTOPOLISHER"
-    * STELLAPOL
-    * RotoPol-22
-    * "RotoForce-3 head"
-===== South Bay Technology =====
-Make a bunch of small lapping fixture: [[http://www.southbaytech.com/shop/mlp1.shtml|http://www.southbaytech.com/shop/mlp1.shtml]]
-Machines as well.  Their 8" machine looks very similar to the Crystal Master 8: [[http://www.southbaytech.com/shop/900.shtml|http://www.southbaytech.com/shop/900.shtml]]
-Model 150 Hand Lapping Fixture {{:equipment:lapping:south_bay_technologies_150_instructions.pdf|instruction manual}}
-===== KLA =====
-Machine:
-    * TechPrep8
-====== Professional (mixed size) ======
-===== Allied (High Tech Products Inc) =====
-[[http://www.alliedhightech.com/equipment/grinding-polishing|Polishing website]]
-They make some nice machines.  I regret not buying one that was on eBay
--1000 system seems popular.  Basically has two parts:
-    * 10-1000 techprep machine
-    * multiprep polishing head (optional)
-^Image ^Model ^Description ^Platen ^   \\ Platen          \\   \\ diameter  ^  Power ^  Size class ^  Polish method ^  Notes |
-|  {{:ebay:theoldstereoguy:251663218367:5.jpg?300}}  \\ {{:ebay:theoldstereoguy:251663218367:9.jpg?300}} \\ [ebay 251663218367] |  5-2600 |  METPREP 3 |  1 |  |  |Benchtop |Parallel arm |   \\ From AHT: "METPREP 3 GRINDER/POLISHER, 8" w/ PH-3 POWER HEAD, 100-240 V 50/60 Hz 1 Phase. Includes: Splash Ring and Platen Cover"   \\   \\ "LABORATORY GRINDER POLISHER AP3 POWER HEAD".  In negotiation to try to purchase this unit  |
-|  |   \\ 5-6510   \\   \\ 5-6510-230  |  |  |  |  |  |  |   \\ "METPREP 4 GRINDER/POLISHER, 10" w/ PH-4 POWER HEAD, 115 V 50/60 Hz 1 Phase. Includes: #5-6010 Platen, 10" Aluminum, Splash Ring and Platen Cover"   \\   \\ -230: 200 V 50/60 Hz 1 Phase  |
-|  |   \\ 5-6610   \\   \\ 5-6610-230  |  |  |  |  |  |  |   \\ "METPREP 4 GRINDER/POLISHER 10" w/PH-6 POWER HEAD, 115 V 50/60 Hz 1 Phase. Includes: #5-6010 Platen, 10" Aluminum, Splash Ring and Platen Cover"   \\   \\ -230: 200 V 50/60 Hz 1 Phase  |
-|  |   \\ 5-6512   \\   \\ 5-6512-230  |  |  |  |  |  |  |   \\ "METPREP 4 GRINDER/POLISHER, 12" w/PH-4 POWER HEAD, 115 V 50/60 Hz 1 Phase. Includes #5-6005 Platen, 12" Aluminum, Splash Ring and Platen Cover"   \\   \\ -230: 200 V 50/60 Hz 1 Phase  |
-|  |   \\ 5-6612   \\   \\ 5-6612-230  |  |  |  |  |  |  |   \\ "METPREP 4 GRINDER/POLISHER, 12" w/PH-6 POWER HEAD, 115 V 50/60 Hz 1 Phase. Includes #5-6005 Platen, 12" Aluminum, Splash Ring and Platen Cover"   \\   \\ -230: 200 V 50/60 Hz 1 Phase  |
-|  |     |  |  |  |  |  |  |     |
-|  {{:ebay:outback6:390927286035:1.jpg?300}}  \\ {{:ebay:outback6:390927286035:4.jpg?300}} \\ Above: [ebay 390927286035]           \\ {{:ebay:csi.usa:190632451673:0.jpg?300}} \\ Above: [ebay 190632451673], a slight variation of button pattern         \\ {{:ebay:outback6:291067759225:1.jpg?300}} \\ {{:ebay:outback6:291067759225:5.jpg?300}} \\ [eBay outback6 291067759225] |  10-1000 |  TECHPREP |  1 |  |  |Benchtop |Parallel arm |"WAFER POLISHER" |
-|  {{:ebay:auctionrus:320891999144:0.jpg?300}}  \\ {{:ebay:auctionrus:320891999144:2.jpg?300}} \\ {{:ebay:auctionrus:320891999144:4.jpg?300}} \\ Above: [eBay 320891999144] {{:ebay:surpluseq:160956846235:0.jpg?300}} \\ Above: [eBay 160956846235] |  30-2100 |  M-Prep |  1 |  |   \\ 115V          \\   \\ 200W  |  |  |600 RPM max.  Whats the big lump?  does it support an arm? |
-|{{:ebay:buyhitek:271135641774:0.jpg?300}}  \\ [eBay buyhitek 271135641774] |30-9000 |Dual Prep 2 |2 |  |115V |Benchtop |Simple platen |  |
-|{{:ebay:testeqe:130819201290:0.jpg?300}}  \\ {{:ebay:testeqe:130819201290:1.jpg?300}} \\ Above: [eBay 130819201290]         \\ {{:ebay:surpluseq:310744003247:0.jpg?300}} \\ Above: [eBay 310744003247] |70-1202 |  |1 |  |  |Benchtop |Simple platen |"Single Platen Calibrated Polishing Machine" |
-|  |70-1206 |  |  |  |  |large |  |  |
-|{{:ebay:prism_electronics3:251218526825:3.jpg?300}}  \\ {{:ebay:prism_electronics3:251218526825:2.jpg?300}} \\ [eBay 251218526825] |70-1218 |  |1 |  |  |Benchtop |Angled arm |  |
-Accessories
-^Image ^Model ^Description ^For polisher ^  Notes |
-|  |5-2005 |Aluminum Platen, 8" (203 mm) |MetPrep 3     \\ DualPrep 3     \\ MetPrep 3     \\ M-Prep 5 |  |
-|  |5-2005M |Magnetic Platen, 8" (203 mm) |MetPrep 3     \\ DualPrep 3     \\ MetPrep 3     \\ M-Prep 5 |  |
-|  |5-3301 |Sample Holder, Blank with Heating Stage, 140 mm |   \\ MetPrep 3      \\   \\ MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3330 |Sample Holder, (6) 25 mm - 1¼" Samples, Teardrop Central Force |   \\ MetPrep 3      \\   \\ MetPrep 4     \\ DualPrep 3  |  |
-|  |5-3340 |Sample Holder, (5) 25 mm - 40 mm Samples, Teardrop Central Force |   \\ MetPrep 3      \\   \\ MetPrep 4     \\ DualPrep 3  |  |
-|  |5-3345 |Sample Holder, (3) 25 mm - 40 mm Samples, Teardrop Central Force |   \\ MetPrep 3      \\   \\ MetPrep 4     \\ DualPrep 3  |  |
-|  |5-3361 |Sample Holder, (6) 25 mm - 1¼" Samples, Dual-Cavity Central Force |   \\ MetPrep 3      \\   \\ MetPrep 4     \\ DualPrep 3  |  |
-|  |5-3380 |Sample Loading Fixture for 5-33XX Series Holders |   \\ MetPrep 3      \\   \\ MetPrep 4     \\ DualPrep 3  |  |
-|  |5-3401 |Sample Holder, Blank with Heating Stage, 160 mm |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3435 |Sample Holder, (6) 25 mm - 1½" Samples, Teardrop Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3440 |Sample Holder, (3) 25 mm - 2" Samples, Teardrop Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3445 |Sample Holder, (9) 25 mm - 1¼" Samples, Teardrop Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3460 |Sample Holder, (8) 25 mm - 1¼" Samples, Dual-Cavity Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3461 |Sample Holder, (6) 30 mm - 40 mm Samples, Dual Cavity Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3465 |Sample Holder, (3) Position Clamp Style 1¼" x 2" (32 x 50 mm) Pocket for Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3490 |Sample Holder, (5) 1.2" x 2.1" (30 x 53 mm) Rectangles Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3491 |Sample Holder, (3) 1.6" x 2.7" (40 x 68 mm) Rectangles Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3494 |Sample Holder, (3) 2" x 2" (51 x 51 mm) Squares Central Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3480 |Sample Loading Fixture for 5-34XX Series Holders |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3601 |Sample Holder, Blank with Heating Stage, 200 mm |MetPrep 4 |  |
-|  |5-3605 |Sample Holder, (12) 25 mm - 1¼" Samples, Dual-Cavity Central Force |MetPrep 4 |  |
-|  |5-3635 |Sample Holder, (6) 25 mm - 2" Samples, Teardrop Central Force |MetPrep 4 |  |
-|  |5-3650 |Sample Holder, (3) 2.1" x 3.7" (53 mm x 94 mm) Rectangles Central Force |MetPrep 4 |  |
-|  |5-3661 |Sample Holder, (8) 30 mm - 40 mm Samples, Dual-Cavity Central Force |MetPrep 4 |  |
-|  |5-3662 |Sample Holder, (6) 1½" - 2" Samples, Dual-Cavity Central Force |MetPrep 4 |  |
-|  |5-3680 |Sample Loading Fixture for 5-36XX Series Holders |MetPrep 4 |  |
-|  |5-3735 |Sample Holder, (4) 1" (25 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3740 |Sample Holder, (4) 30 mm Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3745 |Sample Holder, (4) 1¼" (32 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3750 |Sample Holder, (4) 1½" (38 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3755 |Sample Holder, (4) 40 mm Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3760 |Sample Holder, (4) 50 mm Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3765 |Sample Holder, (4) 2" (51 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3835 |Sample Holder, (3) 1" (25 mm) Mounts, Individual Force |MetPrep 3     \\ DualPrep 3 |  |
-|  |5-3840 |Sample Holder, (3) 30 mm Mounts, Individual Force |MetPrep 3     \\ DualPrep 3 |  |
-|  |5-3845 |Sample Holder, (3) 1¼" (32 mm) Mounts, Individual Force |MetPrep 3     \\ DualPrep 3 |  |
-|  |5-3850 |Sample Holder, (3) 1½" (38 mm) Mounts, Individual Force |MetPrep 3     \\ DualPrep 3 |  |
-|  |5-3855 |Sample Holder, (3) 40 mm Mounts, Individual Force |MetPrep 3     \\ DualPrep 3 |  |
-|  |5-3860 |Sample Holder, (3) 50 mm Mounts, Individual Force |MetPrep 3     \\ DualPrep 3 |  |
-|  |5-3865 |Sample Holder, (3) 2" Mounts, Individual Force |MetPrep 3     \\ DualPrep 3 |  |
-|  |5-3935 |Sample Holder, (6) 1" (25 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3940 |Sample Holder, (6) 30 mm Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3945 |Sample Holder, (6) 1¼" (32 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3950 |Sample Holder, (6) 1½" (38 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3955 |Sample Holder, (6) 40 mm Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3960 |Sample Holder, (6) 50 mm Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-3965 |Sample Holder, (6) 2" (51 mm) Mounts, Individual Force |MetPrep 4     \\ DualPrep 3 |  |
-|  |5-6005 |Aluminum Platen, 12" (300 mm) |MetPrep 4     \\ M-Prep 6 |  |
-|  |5-6005M |Magnetic Platen, 12" (300 mm) |MetPrep 4     \\ M-Prep 6 |  |
-|  |5-6010 |Aluminum Platen, 10" (250 mm) |MetPrep 4     \\ DualPrep 3     \\ M-Prep 6 |  |
-|  |5-6010M |Magnetic Platen, 10" (250 mm) |MetPrep 4     \\ DualPrep 3     \\ 5-6010M |  |
-| {{:alliedhightech:5-7100:ad5_fluid_dispenser_2014.jpg?300|}} \\ [[http://www.alliedhightech.com/Equipment/ad-5-fluid-dispenser|Source]] |5-7100 |AD-5 FLUID DISPENSER, 100-240 V 50/60 Hz 1 Phase Includes: (5) 500 mL HDPE Dispensing Bottles |  \\ Generic \\  \\ MetPrep 3 \\ MetPrep 4 \\ DualPrep 3 \\ MultiPrep \\  |  |
-|  |5-8100 |Platen Storage Cabinet for Platens, Discs or Cloths up to 12" Diameter |Generic |  |
-|  |5-8105 |Aluminum Tray/Shelf |Generic |  |
-|  |10-1005 |Precision Aluminum Platen, 8" (203 mm) |MultiPrep 8" |  |
-|  |10-1005M |Precision Magnetic Platen, 8" (203 mm) |MultiPrep 8" |  |
-|  |10-1010 |Precision Aluminum Platen, 12" (300 mm) |MultiPrep 12" |  |
-|  |10-1010M |Precision Magnetic Aluminum Platen, 12" (300 mm), |MultiPrep 12" |  |
-|  |15-1005 |Cam-Lock Adapter for #15-1010, #15-1010-RE, #15-1013 |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1010 |Cross-Sectioning Paddle with Removable 3.1 mm SEM |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1010-RE |Cross-Sectioning Paddle with Reference Edge for #15-1005, #69-50000, #69-41000, #69-41005 |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1013 |TEM Wedge/FIB Thinning Paddle with 5.3 mm W x 3.5 mm D Pyrex® Insert |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1014 |TEM Wedge/FIB Fixture Body and Pk/4 #69-40015 Pyrex® Inserts |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1018 |SIMS/TEM Thinning Fixture with 0.5” Dia. x ~ 0.4” H Pyrex® insert |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1020 |Parallel Polishing Fixture, Stainless Steel, 2.25" Diameter |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1020-80 |Parallel Polishing Fixture, Stainless Steel, 3" Diameter |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1020-100 |Parallel Polishing Fixture, Stainless Steel, 4" Diameter |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1025 |Teardrop Fixture 40 mm Mount Capacity |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1035 |Weight Kit including: (1) 200 and (1) 100 gram Barrel Weights, (1) 200, (1) 100, and (1) 50 Gram Slotted Weights and (1) Holding Rod |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1045 |Multipurpose Fixture, 2.00" W x 1.00" H x 0.75" D Pocket |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1046 |Multipurpose Fixture, 45° Diagonal Orientation, 2.00" W x 1.00" H x 0.80" D Pocket |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1047 |Multipurpose Fixture, 1.00" W x 0.40" H x 0.45" D Pocket |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1048 |Multipurpose Fixture, 45° Diagonal Orientation, 1.0" W x 0.4" H x 0.5" D Pocket |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1050 |Cross-Sectioning Paddle, Clamp Style with 0.63" W x 0.10" H x 0.25" D Pocket |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |15-1051 |Cross-Sectioning Paddle, Clamp Style, Diagonal Orientation |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |69-10030 |Glass Support Plate, Plain, 8" |MetPrep 3 |  |
-|  |90-208300 |Magnetic Base, 8" (203 mm), with Adhesive Backing |MetPrep 3     \\ DualPrep 3 |  |
-|  |90-208302 |Magnetic Base, 10" (250 mm), with Adhesive Backing |MetPrep 4     \\ DualPrep 3 |  |
-|  |90-208305 |Magnetic Base, 12" (300 mm), with Adhesive Backing |MetPrep 4 |  |
-|  |120-30015 |Digital Indicator Measurement System, with Granite Stand |MultiPrep 8"     \\ MultiPrep 12" |  |
-|  |125-10011 |Paper Holding Band, 8" Platen |MetPrep 3     \\ DualPrep 3     \\ MetPrep 3     \\ M-Prep 5 |  |
-|  |125-10012 |Paper Holding Band, 10" Platen |MetPrep 4     \\ DualPrep 3     \\ M-Prep 6 |  |
-|  |125-10013 |Paper Holding Band, 12" Platen |MetPrep 4     \\ M-Prep 6 |  |
-===== Buehler =====
-They seem to have a wide range of machines.
-Minimet: small desktop polishers.  Unlike traditional lapping machines that have a large spinning table I think these instead rotate the weight sitting on the sample in a small bowl.
-Machine:
-    * Minimet 69-1000-160: small analog / knob with orange body
-    * Minimet 69-1000-160: small analog / knob with orange body
-    * Minimet 69-1000-160: larger analog / knob with white body
-    * PetroThin
-    * Varimet 60 1900: looks to be a nice benchtop unit
-    * Ecomet 2: benchtop unit
-    * Ecomet III: benchtop unit
-    * Automet 5: benchtop unit
-    * Metaserv 2000: dual 8" benchtop
-    * "Buehler Metallurgical Apparatus Polisher": heavy duty stand alone column type unit, quoted at 90 lbs
-    * Phoenix 4000
-Jig:
-    * FibrPol: fiber jig
-===== Leco =====
-Machine:
-    * "AP-600 AUTO POLISHER": floor model
-    * spectrum 2000: benchtop
-===== Lapmaster =====
-Machines:
-    * Speedfam: tends to be large but there are desktop models
-    * DFO-900: large
-    * Model 12: desktop
-Jigs:
-    * Accupol: high precision small jig
-====== Fiber ======
-===== Domaille Engineering =====
-Jigs: fiber polishers. not useful for IC work
-====== Professional (large) ======
-===== Peter Wolters =====
-Machine:
-    * FL12P: large
-===== Crane (packing company?) =====
-Machine:
-    * Model 48: large
-===== Engris =====
-Machine:
-    * Hyprez cabinet large CNC lapping machine?  Looks expensive
-    * Hypres 28SLM230VP-4: large floor unit
-====== Accessories ======
-===== AMAT MIRRA =====
-Saw some parts labeled made by them, looked to be for a large machine
-===== Transat =====
-"Transat ALC-2120 Automatic Lap Controller"
-===== Accretech =====
-"PG300 Wafer Polisher Grinder Pads"
-===== Praxair =====
-"20" CMP Polishing Pads X20-80-80-53"
-===== Rohm and Haas =====
-"Polishing Pads Politex 30" 3010-01022"
-===== CHESTERTON =====
-Makes harsh environment seals, might be useful for DIY
-====== Lapidary / basic / economy ======
-===== Ameritool =====
-Machine:
-    * 8" Ameritool universal grinder polisher lapidary
-===== Covington =====
-Machine:
-    * "8" Covington Super Diamond Flat Lap, Rock Grinder Polisher Lapidary model 5072ML"
-===== Hi-tech Diamond =====
-Machine:
-    * 8" All U Need: economy model found on eBay, list price $500-590
-===== Crystalite Corporation =====
-Machine:
-    * Crystal master 8: basic 8" desktop unit.  Expected to be used with water but could probably be used with CMP fluid as well.  Looks like it collects in reservoir under disk and would need to be emptied out after use or modified with a feed for a slurry pump.  List 600-900
-===== Inland =====
-Machine:
-    * Swap Top: economy lapping for jewelry.  eBay list price 250-350
-====== Related ======
-Lapidary machine: more proper name referring to use on rocks.  Tend to be less precise or more like faceting machines
-Faceting machine; instead of York has a post with a precise angle adjustment and holder.  This might make a good DIY conversion route
 ====== References ======
@@ Line 336: / Line 69: @@
     * eBay [[http://www.ebay.com/usr/surpluseq*?_trksid=p2047675.l2559|surpluseq]] 160956846235
     * eBay [[http://www.ebay.com/usr/auctionrus?_trksid=p2047675.l2559|auctionrus]] 320891999144
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