TMC Optical Tables: Tops, Breadboards & Supports

Optical Tables, Tops,
Breadboards & Supports

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780 SERIES
CleanTop^® II Optical Top

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U.S. Patent No. 4,645,171

Specifications

Core:

Steel honeycomb, closed-cell, 0.010 in thick foil

Core shear modulus

275,000 psi

Core cell size:

< 0.5 in. ²

Core Density:

13.3 lbs/ft³ (230 kg/m³)

Flatness:

± 0.005 in. (0.13 mm)

Top Skin:

430 series ferromagnetic stainless steel, 3/16 in. thick (5 mm)

Compliance, resonant frequency, stiffness:

Click here

Sidewalls:

Damped, formed steel channel. vinyl covered

Tapped holes:

Backed by 1 in. (25 mm) long CleanTop^® II nylon cups

See Also:
Optical Tops
	Series 710
	Series 770
	Series 790
Supports
	4 Post System
	6 Post System
	Free Standing Posts
	Modular Posts

Our spill-proof CleanTop^® II Optical Tops are the industry standard. They are available in a full range of sizes and three damping levels.

CleanTop^® II meets or exceeds all current industry standards for structural stiffness and damping. The CleanTop^® II is recommended for the majority of optical table applications.

Features:

Patented CleanTop^® II individual nylon cups under
each tapped hole are airtight.
3/16 in. (5 mm) top skin
Three damping levels available:

For more information about Dry Damping, Click Here.

How to Order:

Choose the size and thickness of the top that you need from either the Standard Damping Chart or Nominal Damping chart below.
You will need to specify the available Hole Pattern / Threads and /or Laser Ports. Click here to see the Hole Pattern / Laser Port Suffix Chart.
Click on the Get Price Link for the specific size and Damping level you require.You will be taken to a new page containing pricing information. NOTE: The 780 Series Optical Tops cannot be purchased online. You will be given pricing as well as purchasing and shipping information.
You can then return to shopping, check out, or contact TMC for more information.

Maximum Dry Damping

Surface Dimensions			8" Thick Tops (200 mm)	12" Thick Tops (300 mm)	18" Thick Tops (450 mm)	24" Thick Tops (600 mm)
in.	ft.	m	8" Thick Tops (200 mm)	12" Thick Tops (300 mm)	18" Thick Tops (450 mm)	24" Thick Tops (600 mm)
30 x 60 maximum dry damping		0.75 x 1.5 maximum dry damping	784-432 Get Price	784-632 Get Price
30 x 72 maximum dry damping		0.75 x 1.8 maximum dry damping	784-491 Get Price	784-691 Get Price
30 x 96 maximum dry damping		0.75 x 2.4 maximum dry damping	784-492 Get Price	784-692 Get Price
30 x 120 maximum dry damping		0.75 x 3.0 maximum dry damping	784-493 Get Price	784-693 Get Price
36 x 60 maximum dry damping	3 x 5 maximum dry damping	0.9 x 1.5 maximum dry damping	784-436 Get Price	784-636 Get Price
36 x 72 maximum dry damping	3 x 6 maximum dry damping	0.9 x 1.8 maximum dry damping	784-439 Get Price	784-639 Get Price
36 x 96 maximum dry damping	3 x 8 maximum dry damping	0.9 x 2.4 maximum dry damping	784-440 Get Price	784-640 Get Price	784-740 Get Price	784-840 Get Price
36 x 120 maximum dry damping	3 x 10 maximum dry damping	0.9 x 3.0 maximum dry damping	784-494 Get Price	784-694 Get Price	784-794 Get Price	784-894 Get Price
40 x 60 maximum dry damping		1.0 x 1.5 maximum dry damping	784-443 Get Price	784-643 Get Price
40 x 80 maximum dry damping		1.0 x 2.0 maximum dry damping	784-444 Get Price	784-644 Get Price	784-744 Get Price	784-844 Get Price
40 x 120 maximum dry damping		1.0 x 3.0 maximum dry damping	784-445 Get Price	784-645 Get Price	784-745 Get Price	784-845 Get Price
48 x 48 maximum dry damping	4 x 4 maximum dry damping	1.2 x 1.2 maximum dry damping	784-447 Get Price	784-647 Get Price
48 x 60 maximum dry damping	4 x 5 maximum dry damping	1.2 x 1.5 maximum dry damping	784-449 Get Price	784-649 Get Price
48 x 72 maximum dry damping	4 x 6 maximum dry damping	1.2 x 1.8 maximum dry damping	784-451 Get Price	784-651 Get Price	784-751 Get Price	784-851 Get Price
48 x 96 maximum dry damping	4 x 8 maximum dry damping	1.2 x 2.4 maximum dry damping	784-455 Get Price	784-655 Get Price	784-755 Get Price	784-855 Get Price
48 x 120 maximum dry damping	4 x 10 maximum dry damping	1.2 x 3.0 maximum dry damping	784-459 Get Price	784-659 Get Price	784-759 Get Price	784-859 Get Price
48 x 144 maximum dry damping	4 x 12 maximum dry damping	1.2 X 3.6 maximum dry damping	784-463 Get Price	784-663 Get Price	784-763 Get Price	784-863 Get Price
48 x 168 maximum dry damping	4 x 14 maximum dry damping	1.2 x 4.2 maximum dry damping	784-465 Get Price	784-665 Get Price	784-765 Get Price	784-865 Get Price
48 x 192 maximum dry damping	4 x 16 maximum dry damping	1.2 x 4.8 maximum dry damping	784-467 Get Price	784-667 Get Price	784-767 Get Price	784-867 Get Price
60 x 60 maximum dry damping	5 x 5 maximum dry damping	1.5 x 1.5 maximum dry damping	784-470 Get Price	784-670 Get Price	784-770 Get Price	784-870 Get Price
60 x 72 maximum dry damping	5 x 6 maximum dry damping	1.5 x 1.8 maximum dry damping	784-471 Get Price	784-671 Get Price	784-771 Get Price	784-871 Get Price
60 x 80 maximum dry damping		1.5 x 2.0 maximum dry damping	784-472 Get Price	784-672 Get Price	784-772 Get Price	784-872 Get Price
60 x 96 maximum dry damping	5 x 8 maximum dry damping	1.5 x 2.4 maximum dry damping	784-473 Get Price	784-673 Get Price	784-773 Get Price	784-873 Get Price
60 x 120 maximum dry damping	5 x 10 maximum dry damping	1.5 x 3.0 maximum dry damping	784-475 Get Price	784-675 Get Price	784-775 Get Price	784-875 Get Price
60 x 144 maximum dry damping	5 x 12 maximum dry damping	1.5 x 3.6 maximum dry damping	784-476 Get Price	784-676 Get Price	784-776 Get Price	784-876 Get Price
60 x 168 maximum dry damping	5 x 14 maximum dry damping	1.5 x 4.2 maximum dry damping	784-477 Get Price	784-677 Get Price	784-777 Get Price	784-877 Get Price
60 x 192 maximum dry damping	5 x 16 maximum dry damping	1.5 x 4.8 maximum dry damping	784-478 Get Price	784-678 Get Price	784-778 Get Price	784-878 Get Price
Weight Factor(WF) (approx.); Area x WF = Total Weight			0.255 lb/in.² (0.016 kg/cm²	0.265 lb/in.² (0.019 kg/cm²)	0.420 lb/in.² (0.030 kg/cm²)	0.475 lb/in.² (0.033 kg/cm²)

Note: you must specify the required hole patterns and laser ports.
Click here for the Suffix Chart Hole-Patterns/Laser Ports

Back to top

Size Chart - Standard Damping

Surface Dimensions			8" Thick Tops (200 mm)	12" Thick Tops (300 mm)	18" Thick Tops (450 mm)	24" Thick Tops (600 mm)
in.	ft.	m	8" Thick Tops (200 mm)	12" Thick Tops (300 mm)	18" Thick Tops (450 mm)	24" Thick Tops (600 mm)
30 x 60 standard dry damping		0.75 x 1.5 standard dry damping	783-432 Get Price	783-632 Get Price
30 x 72 standard dry damping		0.75 x 1.8 standard dry damping	783-491 Get Price	783-691 Get Price
30 x 96 standard dry damping		0.75 x 2.4 standard dry damping	783-492 Get Price	783-692 Get Price
30 x 120 standard dry damping		0.75 x 3.0 standard dry damping	783-493 Get Price	783-693 Get Price
36 x 60 standard dry damping	3 x 5 standard dry damping	0.9 x 1.5 standard dry damping	783-436 Get Price	783-636 Get Price
36 x 72 standard dry damping	3 x 6 standard dry damping	0.9 x 1.8 standard dry damping	783-439 Get Price	783-639 Get Price
36 x 96 standard dry damping	3 x 8 standard dry damping	0.9 x 2.4 standard dry damping	783-440 Get Price	783-640 Get Price	783-740 Get Price	783-840 Get Price
36 x 120 standard dry damping	3 x 10 maximum dry dampin	0.9 x 3.0 standard dry damping	783-494 Get Price	783-694 Get Price	783-794 Get Price	783-894 Get Price
40 x 60 standard dry damping		1.0 x 1.5 standard dry damping	783-443 Get Price	783-643 Get Price
40 x 80 standard dry damping		1.0 x 2.0 standard dry damping	783-444 Get Price	783-644 Get Price	783-744 Get Price	783-844 Get Price
40 x 120 standard dry damping		1.0 x 3.0 standard dry damping	783-445 Get Price	783-645 Get Price	783-745 Get Price	783-845 Get Price
48 x 48 standard dry damping	4 x 4 standard dry damping	1.2 x 1.2 standard dry damping	783-447 Get Price	783-647 Get Price
48 x 60 standard dry damping	4 x 5 standard dry damping	1.2 x 1.5 standard dry damping	783-449 Get Price	783-649 Get Price
48 x 72 standard dry damping	4 x 6 standard dry damping	1.2 x 1.8 standard dry damping	783-451 Get Price	783-651 Get Price	783-751 Get Price	783-851 Get Price
48 x 96 standard dry damping	4 x 8 standard dry damping	1.2 x 2.4 standard dry damping	783-455 Get Price	783-655 Get Price	783-755 Get Price	783-855 Get Price
48 x 120 standard dry damping	4 x 10 standard dry damping	1.2 x 3.0 standard dry damping	783-459 Get Price	783-659 Get Price	783-759 Get Price	783-859 Get Price
48 x 144 standard dry damping	4 x 12 standard dry damping	1.2 X 3.6 standard dry damping	783-463 Get Price	783-663 Get Price	783-763 Get Price	783-863 Get Price
48 x 168 standard dry damping	4 x 14 standard dry damping	1.2 x 4.2 standard dry damping	783-465 Get Price	783-665 Get Price	783-765 Get Price	783-865 Get Price
48 x 192 standard dry damping	4 x 16 standard dry damping	1.2 x 4.8 standard dry damping	783-467 Get Price	783-667 Get Price	783-767 Get Price	783-867 Get Price
60 x 60 standard dry damping	5 x 5 standard dry damping	1.5 x 1.5 standard dry damping	783-470 Get Price	783-670 Get Price	783-770 Get Price	783-870 Get Price
60 x 72 standard dry damping	5 x 6 standard dry damping	1.5 x 1.8 standard dry damping	783-471 Get Price	783-671 Get Price	783-771 Get Price	783-871 Get Price
60 x 80 standard dry damping		1.5 x 2.0 standard dry damping	783-472 Get Price	783-672 Get Price	783-772 Get Price	783-872 Get Price
60 x 96 standard dry damping	5 x 8 standard dry damping	1.5 x 2.4 standard dry damping	783-473 Get Price	783-673 Get Price	783-773 Get Price	783-873 Get Price
60 x 120 standard dry damping	5 x 10 standard dry damping	1.5 x 3.0 standard dry damping	783-475 Get Price	783-675 Get Price	783-775 Get Price	783-875 Get Price
60 x 144 standard dry damping	5 x 12 standard dry damping	1.5 x 3.6 standard dry damping	783-476 Get Price	783-676 Get Price	783-776 Get Price	783-876 Get Price
60 x 168 standard dry damping	5 x 14 standard dry damping	1.5 x 4.2 standard dry damping	783-477 Get Price	783-677 Get Price	783-777 Get Price	783-877 Get Price
60 x 192 standard dry damping	5 x 16 standard dry damping	1.5 x 4.8 standard dry damping	783-478 Get Price	783-678 Get Price	783-778 Get Price	783-878 Get Price
Weight Factor(WF) (approx.); Area x WF = Total Weight			0.255 lb/in.² (0.016 kg/cm²	0.265 lb/in.² (0.019 kg/cm²)	0.420 lb/in.² (0.030 kg/cm²)	0.475 lb/in.² (0.033 kg/cm²)

Note: you must specify the required hole patterns and laser ports.
Click here for the Suffix Chart Hole-Patterns/Laser Ports

Nominal Dry Damping

Surface Dimensions			8" Thick Tops (200 mm)	12" Thick Tops (300 mm)	18" Thick Tops (450 mm)	24" Thick Tops (600 mm)
in.	ft.	m	8" Thick Tops (200 mm)	12" Thick Tops (300 mm)	18" Thick Tops (450 mm)	24" Thick Tops (600 mm)
30 x 60 nominal dry damping		0.75 x 1.5 nominal dry damping	781-432 Get Price	781-632 Get Price
30 x 72 nominal dry damping		0.75 x 1.8 nominal dry damping	781-491 Get Price	781-691 Get Price
30 x 96 nominal dry damping		0.75 x 2.4 nominal dry damping	781-492 Get Price	781-692 Get Price
30 x 120 nominal dry damping		0.75 x 3.0 nominal dry damping	781-493 Get Price	781-693 Get Price
36 x 60 nominal dry damping	3 x 5 nominal dry damping	0.9 x 1.5 nominal dry damping	781-136 Get Price	781-636 Get Price
36 x 72 nominal dry damping	3 x 6 nominal dry damping	0.9 x 1.8 nominal dry damping	781-439 Get Price	781-639 Get Price
36 x 96 nominal dry damping	3 x 8 nominal dry damping	0.9 x 2.4 nominal dry damping	781-440 Get Price	781-640 Get Price	781-740 Get Price	781-840 Get Price
36 x 120 nominal dry damping	3 x 10 nominal dry damping	0.9 x 3.0 nominal dry damping	781-494 Get Price	781-694 Get Price	781-794 Get Price	781-894 Get Price
40 x 60 nominal dry damping		1.0 x 1.5 nominal dry damping	781-443 Get Price	781-643 Get Price
40 x 80 nominal dry damping		1.0 x 2.0 nominal dry damping	781-444 Get Price	781-644 Get Price	781-744 Get Price	781-844 Get Price
40 x 120 nominal dry damping		1.0 x 3.0 nominal dry damping	781-445 Get Price	781-645 Get Price	781-745 Get Price	781-845 Get Price
48 x 48 nominal dry damping	4 x 4 nominal dry damping	1.2 x 1.2 nominal dry damping	781-447 Get Price	781-647 Get Price
48 x 60 nominal dry damping	4 x 5 nominal dry damping	1.2 x 1.5 nominal dry damping	781-449 Get Price	781-649 Get Price
48 x 72 nominal dry damping	4 x 6 nominal dry damping	1.2 x 1.8 nominal dry damping	781-451 Get Price	781-651 Get Price	781-751 Get Price	781-851 Get Price
48 x 96 nominal dry damping	4 x 8 nominal dry damping	1.2 x 2.4 nominal dry damping	781-455 Get Price	781-655 Get Price	781-755 Get Price	781-855 Get Price
48 x 120 nominal dry damping	4 x 10 nominal dry damping	1.2 x 3.0 nominal dry damping	781-459 Get Price	781-659 Get Price	781-759 Get Price	781-859 Get Price
48 x 144 nominal dry damping	4 x 12 nominal dry damping	1.2 X 3.6 nominal dry damping	781-463 Get Price	781-663 Get Price	781-763 Get Price	781-863 Get Price
48 x 168 nominal dry damping	4 x 14 nominal dry damping	1.2 x 4.2 nominal dry damping	781-465 Get Price	781-665 Get Price	781-765 Get Price	781-865 Get Price
48 x 192 nominal dry damping	4 x 16 nominal dry damping	1.2 x 4.8 nominal dry damping	781-467 Get Price	781-667 Get Price	781-767 Get Price	781-867 Get Price
60 x 60 nominal dry damping	5 x 5 nominal dry damping	1.5 x 1.5 nominal dry damping	781-470 Get Price	781-670 Get Price	781-770 Get Price	781-870 Get Price
60 x 72 nominal dry damping	5 x 6 nominal dry damping	1.5 x 1.8 nominal dry damping	781-471 Get Price	781-671 Get Price	781-771 Get Price	781-871 Get Price
60 x 80 nominal dry damping		1.5 x 2.0 nominal dry damping	781-472 Get Price	781-672 Get Price	781-772 Get Price	781-872 Get Price
60 x 96 nominal dry damping	5 x 8 nominal dry damping	1.5 x 2.4 nominal dry damping	781-473 Get Price	781-673 Get Price	781-773 Get Price	781-873 Get Price
60 x 120 nominal dry damping	5 x 10 nominal dry damping	1.5 x 3.0 nominal dry damping	781-475 Get Price	781-675 Get Price	781-775 Get Price	781-875 Get Price
60 x 144 nominal dry damping	5 x 12 nominal dry damping	1.5 x 3.6 nominal dry damping	781-476 Get Price	781-676 Get Price	781-776 Get Price	781-876 Get Price
60 x 168 nominal dry damping	5 x 14 nominal dry damping	1.5 x 4.2 nominal dry damping	781-477 Get Price	781-677 Get Price	781-777 Get Price	781-877 Get Price
60 x 192 nominal dry damping	5 x 16 nominal dry damping	1.5 x 4.8 nominal dry damping	781-478 Get Price	781-678 Get Price	781-778 Get Price	781-878 Get Price
Weight Factor(WF) (approx.); Area x WF = Total Weight			0.255 lb/in.² (0.016 kg/cm²	0.265 lb/in.² (0.019 kg/cm²)	0.420 lb/in.² (0.030 kg/cm²)	0.475 lb/in.² (0.033 kg/cm²)

Suffix Chart Hole-Patterns/Laser Ports

Suffix	Hole Pattern-Threads	Double Density	Laser Port
00R	No holes	no	no
01R	1" centers - 1/4-20	no	yes
02R	1" centers - 1/4-20	no	no
11R	25 mm centers - M6	no	yes
12R	25 mm centers - M6	no	no
01DR	1" staggered centers-1/4 - 20	yes	yes
02DR	1" staggered centers-1/4 - 20	yes	no
11DR	25 mm staggered centers-M6	yes	yes
12DR	25 mm staggered centers-M6	yes	no

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